> ## Documentation Index
> Fetch the complete documentation index at: https://docs.joinmassive.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Do I need a special ProGuard configuration for Android/Fire OS?

Yes, if not use the R8 compiler. Required rules include:

* Keeping all "com.joinmassive.sdk" classes
* Keeping OkHttp3 and Moshi classes
* Preserving annotations and exceptions

If using R8, rules are automatically applied.

Learn more: [Android Technical Details](https://docs.joinmassive.com/monetization-sdk/mobile-android#technical-details)