# Knowledge Base **URL:** https://community.amazondeveloper.com/c/fire-apps/knowledge-base/19.md?page=1 [Latest](https://community.amazondeveloper.com/latest.md) · [Categories](https://community.amazondeveloper.com/categories.md) · [Tags](https://community.amazondeveloper.com/tags.md) **Page:** 2 --- ## [How to put ads in your app](https://community.amazondeveloper.com/t/how-to-put-ads-in-your-app/4275)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [April 1, 2024, 3:33pm UTC](https://community.amazondeveloper.com/t/how-to-put-ads-in-your-app/4275 "2024-04-01T15:33:45Z")
For tablet apps: You can add in-app advertisements in your Fire tablet apps via third-party Ad SDKs. Check out our guide to In-App Advertising for a list of supported ad SDKs and ad formats. You can display any of the… --- ## [Why are my sales reports lower than my third-party reports?](https://community.amazondeveloper.com/t/why-are-my-sales-reports-lower-than-my-third-party-reports/2297)
**Author:** [@Mary](https://community.amazondeveloper.com/u/Mary)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 4:46am UTC](https://community.amazondeveloper.com/t/why-are-my-sales-reports-lower-than-my-third-party-reports/2297 "2023-12-28T04:46:59Z")
The Developer Console Reporting Tool is designed to provide ongoing sales data for active applications and games. Sales reports are available to relevant roles in the Developer Console and can be found under the Report… --- ## [Why is my app stuck under review?](https://community.amazondeveloper.com/t/why-is-my-app-stuck-under-review/3925)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [March 6, 2024, 9:34pm UTC](https://community.amazondeveloper.com/t/why-is-my-app-stuck-under-review/3925 "2024-03-06T21:34:42Z")
We estimate that an app review should take between two and five business days, but it can occasionally take longer. Check out the Presubmission Checklist to make sure you’ve done everything you can so the review can … --- ## [How to get developer support for the Amazon Appstore](https://community.amazondeveloper.com/t/how-to-get-developer-support-for-the-amazon-appstore/3752)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [February 26, 2024, 11:58pm UTC](https://community.amazondeveloper.com/t/how-to-get-developer-support-for-the-amazon-appstore/3752 "2024-02-26T23:58:44Z")
While developing and submitting apps for the Amazon Appstore, at some point you may hit a snag and need some help. When that happens, here are the best ways to find answers and get developer support: 1. Documentation Th… --- ## [What images and videos are needed for Fire TV apps?](https://community.amazondeveloper.com/t/what-images-and-videos-are-needed-for-fire-tv-apps/3749)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [February 26, 2024, 8:30pm UTC](https://community.amazondeveloper.com/t/what-images-and-videos-are-needed-for-fire-tv-apps/3749 "2024-02-26T20:30:35Z")
While tablet and phone apps just need tablet assets, Fire TV apps need both tablet assets and Fire TV assets. This is because tablet assets are used for the website app listing, where your app will appear, even if it’s … --- ## [How to obfuscate your app code with ProGuard](https://community.amazondeveloper.com/t/how-to-obfuscate-your-app-code-with-proguard/2248)
**Author:** [@Gomathy](https://community.amazondeveloper.com/u/Gomathy)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 6:33pm UTC](https://community.amazondeveloper.com/t/how-to-obfuscate-your-app-code-with-proguard/2248 "2023-12-22T18:33:40Z")
If you are ready to submit your app to the Amazon Appstore, consider obfuscating your app’s code using a tool such as ProGuard. Obfuscating your code modifies your source and machine code to be difficult for a hum… --- ## [How to deeplink to apps & where to find the ASIN / Product ID number](https://community.amazondeveloper.com/t/how-to-deeplink-to-apps-where-to-find-the-asin-product-id-number/2178)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 18, 2023, 9:17pm UTC](https://community.amazondeveloper.com/t/how-to-deeplink-to-apps-where-to-find-the-asin-product-id-number/2178 "2023-12-18T21:17:02Z")
One way that you can promote your apps is to provide a link directly to the Amazon Appstore or Amazon retail website from within your app. This type of link is called a “deep link” and can be used for several purposes: … --- ## [How do I get paid electronically in Hong Kong?](https://community.amazondeveloper.com/t/how-do-i-get-paid-electronically-in-hong-kong/2286)
**Author:** [@Emma](https://community.amazondeveloper.com/u/Emma)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 2:17am UTC](https://community.amazondeveloper.com/t/how-do-i-get-paid-electronically-in-hong-kong/2286 "2023-12-28T02:17:43Z")
EFT payments are supported for bank accounts in Hong Kong. If you receive the error message Invalid characters found in the bank routing number, it is likely that you are trying to enter the SWIFT Code for your bank. SW… --- ## [Why can’t I see my saved payment information / bank account?](https://community.amazondeveloper.com/t/why-can-t-i-see-my-saved-payment-information-bank-account/2295)
**Author:** [@Mary](https://community.amazondeveloper.com/u/Mary)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 4:25am UTC](https://community.amazondeveloper.com/t/why-can-t-i-see-my-saved-payment-information-bank-account/2295 "2023-12-28T04:25:51Z")
For security reasons, we do not display your payment information in the Developer Console. Any user with administrator permissions are able to update the relevant payment information at any time via the Settings on the P… --- ## [What is my tax withholding rate?](https://community.amazondeveloper.com/t/what-is-my-tax-withholding-rate/2294)
**Author:** [@Amz\_Rsk](https://community.amazondeveloper.com/u/Amz_Rsk)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 4:18am UTC](https://community.amazondeveloper.com/t/what-is-my-tax-withholding-rate/2294 "2023-12-28T04:18:15Z")
The statutory US withholding tax rate applied to US source royalty and service payments made to non-US persons is 30%. If you are a non-US-based developer, and your country/region of residence has an existing income tax … --- ## [How do I see what has been paid in VAT?](https://community.amazondeveloper.com/t/how-do-i-see-what-has-been-paid-in-vat/2298)
**Author:** [@Kunijordan](https://community.amazondeveloper.com/u/Kunijordan)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 4:55am UTC](https://community.amazondeveloper.com/t/how-do-i-see-what-has-been-paid-in-vat/2298 "2023-12-28T04:55:24Z")
VAT is calculated on a per marketplace basis, meaning that the VAT collected from German customers might be different from the VAT collected from French customers. Unfortunately, at this time, we do not have a convenient… --- ## [My tax withholding rate was recently updated, how do I get a refund?](https://community.amazondeveloper.com/t/my-tax-withholding-rate-was-recently-updated-how-do-i-get-a-refund/2296)
**Author:** [@Amz\_Rsk](https://community.amazondeveloper.com/u/Amz_Rsk)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 4:34am UTC](https://community.amazondeveloper.com/t/my-tax-withholding-rate-was-recently-updated-how-do-i-get-a-refund/2296 "2023-12-28T04:34:17Z")
If you have updated your tax information and received a lower withholding rate, only the current year’s tax withheld is refundable to you. Your refund will automatically be processed in the next payment cycle after you s… --- ## [How do I get my unpaid payment balance?](https://community.amazondeveloper.com/t/how-do-i-get-my-unpaid-payment-balance/2291)
**Author:** [@Mary](https://community.amazondeveloper.com/u/Mary)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 3:47am UTC](https://community.amazondeveloper.com/t/how-do-i-get-my-unpaid-payment-balance/2291 "2023-12-28T03:47:36Z")
You can calculate your payment balance by adding up the monthly totals in your Earnings & Payments Reports since your last payment and then subtracting your Tax Withholding rate. We calculate Earnings Reports approxima… --- ## [How can I get invoices for my payments? What is Amazon's address, VAT number, and Tax ID?](https://community.amazondeveloper.com/t/how-can-i-get-invoices-for-my-payments-what-is-amazons-address-vat-number-and-tax-id/2285)
**Author:** [@Amz\_Rsk](https://community.amazondeveloper.com/u/Amz_Rsk)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 1:50am UTC](https://community.amazondeveloper.com/t/how-can-i-get-invoices-for-my-payments-what-is-amazons-address-vat-number-and-tax-id/2285 "2023-12-28T01:50:16Z")
You will need to create your own invoices for your records. You can use the following information when creating your invoices: Marketplace: Amazon.com Entity name: Amazon.com Sales, Inc. Tax ID: 91-2000471 Entity Add… --- ## [Why am I receiving a notification to retake the tax interview?](https://community.amazondeveloper.com/t/why-am-i-receiving-a-notification-to-retake-the-tax-interview/1772)
**Author:** [@ctrag](https://community.amazondeveloper.com/u/ctrag)\ **Replies:** 0\ **Last updated:** [December 16, 2023, 11:42pm UTC](https://community.amazondeveloper.com/t/why-am-i-receiving-a-notification-to-retake-the-tax-interview/1772 "2023-12-16T23:42:36Z")
In order to monetize on the Amazon Appstore, it’s required that developers have accurate tax information on file. The tax information interview is valid the year signed plus 3 additional calendar years. The notification… --- ## [How will I get paid?](https://community.amazondeveloper.com/t/how-will-i-get-paid/2290)
**Author:** [@amz\_sha](https://community.amazondeveloper.com/u/amz_sha)\ **Replies:** 0\ **Last updated:** [December 28, 2023, 3:30am UTC](https://community.amazondeveloper.com/t/how-will-i-get-paid/2290 "2023-12-28T03:30:04Z")
With few exceptions, Amazon pays developers electronically. The method of electronic payment varies by country/region. The currency of your payment is determined by your bank’s location. Please see our gui… --- ## [How do I get help with my Fire tablet, Fire TV, or Echo device?](https://community.amazondeveloper.com/t/how-do-i-get-help-with-my-fire-tablet-fire-tv-or-echo-device/2411)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 11, 2024, 8:11pm UTC](https://community.amazondeveloper.com/t/how-do-i-get-help-with-my-fire-tablet-fire-tv-or-echo-device/2411 "2024-01-11T20:11:36Z")
This community space is for Amazon app developers and we aren’t able to help with customer issues. If you have a question about your Amazon device, please use the Amazon Digital and Device Forum. If you need additional… --- ## [How do I get help with my Alexa Skills?](https://community.amazondeveloper.com/t/how-do-i-get-help-with-my-alexa-skills/2576)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 24, 2024, 11:59pm UTC](https://community.amazondeveloper.com/t/how-do-i-get-help-with-my-alexa-skills/2576 "2024-01-24T23:59:07Z")
This community space is for the Amazon Appstore, not Alexa Skills. Please use the Stack Overflow for these questions. If you need additional help, you can use the Alexa Developer Contact Us form. --- ## [Why was my app failed / rejected for content policy?](https://community.amazondeveloper.com/t/why-was-my-app-failed-rejected-for-content-policy/2265)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 26, 2023, 6:44pm UTC](https://community.amazondeveloper.com/t/why-was-my-app-failed-rejected-for-content-policy/2265 "2023-12-26T18:44:29Z")
There can be a variety of reasons your app was failed or rejected for content policy. For security purposes, we are not able to discuss your specific app’s policy issues in the community space and you will need to contac… --- ## [How do I store my app on a user's SD card?](https://community.amazondeveloper.com/t/how-do-i-store-my-app-on-a-users-sd-card/2250)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 6:49pm UTC](https://community.amazondeveloper.com/t/how-do-i-store-my-app-on-a-users-sd-card/2250 "2023-12-22T18:49:14Z")
Although older Fire tablets don’t have external storage, newer Fire tablets provide external storage options through memory card slots. The settings in your Android Manifest file determine where your app is installed on … --- ## [What is Login with Amazon (LWA)?](https://community.amazondeveloper.com/t/what-is-login-with-amazon-lwa/2344)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 8, 2024, 8:49pm UTC](https://community.amazondeveloper.com/t/what-is-login-with-amazon-lwa/2344 "2024-01-08T20:49:31Z")
Login with Amazon (LWA) lets you protect your customer information by leveraging the user authentication system used by Amazon.com. LWA is based on OAuth 2.0, which has been broadly adopted for user authorized exchanges … --- ## [What is Leaderboards & Tournaments?](https://community.amazondeveloper.com/t/what-is-leaderboards-tournaments/2343)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [January 8, 2024, 8:46pm UTC](https://community.amazondeveloper.com/t/what-is-leaderboards-tournaments/2343 "2024-01-08T20:46:03Z")
Leaderboards & Tournaments is a set of flexible APIs that allow you to build cross-platform competitions into your games that drive engagement and increase monetization. With Leaderboards & Tournaments, you have an easy … --- ## [What is Receipt Verification Service (RVS)?](https://community.amazondeveloper.com/t/what-is-receipt-verification-service-rvs/2240)
**Author:** [@Levon](https://community.amazondeveloper.com/u/Levon)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 12:41am UTC](https://community.amazondeveloper.com/t/what-is-receipt-verification-service-rvs/2240 "2023-12-22T00:41:04Z")
The Receipt Verification Service (RVS) enables validation of purchases made by your app’s users. RVS starts after the IAP API completes the purchase and returns the purchase receipt to the app. Check out our documentati… --- ## [How can I refund my customers?](https://community.amazondeveloper.com/t/how-can-i-refund-my-customers/2257)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 10:14pm UTC](https://community.amazondeveloper.com/t/how-can-i-refund-my-customers/2257 "2023-12-22T22:14:59Z")
If a customer contacts you to ask for a refund, please ask them to contact Amazon Customer Service for assistance. If you need to refund all customers who purchased a specific app or IAP item in bulk, please contact Ama… --- ## [How do I find my app or IAP item in the Developer Console?](https://community.amazondeveloper.com/t/how-do-i-find-my-app-or-iap-item-in-the-developer-console/2274)
**Author:** [@Amz\_Rsk](https://community.amazondeveloper.com/u/Amz_Rsk)\ **Replies:** 0\ **Last updated:** [December 27, 2023, 12:54am UTC](https://community.amazondeveloper.com/t/how-do-i-find-my-app-or-iap-item-in-the-developer-console/2274 "2023-12-27T00:54:11Z")
The Developer Console offers a search field that will allow you to search for the apps in your developer account. If you have more than 20 apps in your developer account, this feature will easily allow you to jump to o… --- ## [How do I update the devices my app is compatible with?](https://community.amazondeveloper.com/t/how-do-i-update-the-devices-my-app-is-compatible-with/2241)
**Author:** [@Yuri](https://community.amazondeveloper.com/u/Yuri)\ **Replies:** 0\ **Last updated:** [December 22, 2023, 8:05am UTC](https://community.amazondeveloper.com/t/how-do-i-update-the-devices-my-app-is-compatible-with/2241 "2023-12-22T08:05:15Z")
When you submit an Android app to the Amazon Appstore, the attributes in your app manifest and build.gradle files determine what devices your app can be installed on. Incompatibilities between these files and a device’s … --- ## [How do I use the Device Support search to find a device?](https://community.amazondeveloper.com/t/how-do-i-use-the-device-support-search-to-find-a-device/2267)
**Author:** [@Mary](https://community.amazondeveloper.com/u/Mary)\ **Replies:** 0\ **Last updated:** [December 26, 2023, 10:01pm UTC](https://community.amazondeveloper.com/t/how-do-i-use-the-device-support-search-to-find-a-device/2267 "2023-12-26T22:01:07Z")
You can search for specific devices on the Supported Devices list by following these steps: In View Supported Devices, click on the search bar at the top of the screen (the default field is “Search Devices”). Type in t… --- ## [How do I make my app available on Fire TV?](https://community.amazondeveloper.com/t/how-do-i-make-my-app-available-on-fire-tv/2182)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 18, 2023, 10:39pm UTC](https://community.amazondeveloper.com/t/how-do-i-make-my-app-available-on-fire-tv/2182 "2023-12-18T22:39:17Z")
For Fire TV devices, the following manifest attribute identifies support for Fire TV: \ This attribute indicates that the touchscre… --- ## [What is the Amazon Appstore on Windows?](https://community.amazondeveloper.com/t/what-is-the-amazon-appstore-on-windows/2177)
**Author:** [@Moses](https://community.amazondeveloper.com/u/Moses)\ **Replies:** 0\ **Last updated:** [December 18, 2023, 9:03pm UTC](https://community.amazondeveloper.com/t/what-is-the-amazon-appstore-on-windows/2177 "2023-12-18T21:03:04Z")
Because Microsoft is ending support for the Windows Subsystem for Android (WSA), Amazon Appstore on Windows 11 will no longer be supported after March 5, 2025. Read the blog for more information. Related: --- ## [Where do I find my customer ID (ECID / CID) and vendor ID?](https://community.amazondeveloper.com/t/where-do-i-find-my-customer-id-ecid-cid-and-vendor-id/1771)
**Author:** [@ctrag](https://community.amazondeveloper.com/u/ctrag)\ **Replies:** 0\ **Last updated:** [December 16, 2023, 11:13pm UTC](https://community.amazondeveloper.com/t/where-do-i-find-my-customer-id-ecid-cid-and-vendor-id/1771 "2023-12-16T23:13:42Z")
When contacting Amazon developer support or posting in this community space, you may be asked to provide your customer ID in order to identify your apps and investigate any issues you are facing. To find your customer I… [Previous page](https://community.amazondeveloper.com/c/fire-apps/knowledge-base/19.md) [Next page](https://community.amazondeveloper.com/c/fire-apps/knowledge-base/19.md?page=2)