Many modern apps no longer support Android 5.1. Users may find that the Play Store works, but specific apps (like banking or high-end games) will not install due to the old API level.
The year was 2015, and the world of Android was at a crossroads. Android 5.1 Lollipop gapps android 51
“GApps Android 5.1 is no longer officially supported by Google.” Many modern apps no longer support Android 5
Google Apps (GApps) are the proprietary applications and services from Google—like the Play Store, Gmail, and YouTube—that are not included by default in "Vanilla" custom ROMs due to licensing. For a device running , selecting the correct architecture and package variant is critical for a stable system. Key Considerations for Android 5.1 gapps android 51
Some popular GApps packages for Android 5.1 include: