> For the complete documentation index, see [llms.txt](https://assetstore.essentialkit.voxelbusters.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://assetstore.essentialkit.voxelbusters.com/notes.md).

# Notes

- [Resolving Android Gradle Build Errors](https://assetstore.essentialkit.voxelbusters.com/notes/resolving-android-gradle-build-errors.md)
- [Google Play Services Authentication](https://assetstore.essentialkit.voxelbusters.com/notes/google-play-services-authentication.md)
- [Target API Level vs Min API Level](https://assetstore.essentialkit.voxelbusters.com/notes/target-api-level-vs-min-api-level.md)
- [Handling Refunds for In-App Purchases (Billing Services)](https://assetstore.essentialkit.voxelbusters.com/notes/handling-refunds-for-in-app-purchases-billing-services.md): Learn how refunds are handled across Google Play and iOS for in-app purchases.