ankidroid/Anki-Android v2.12alpha19

AnkiDroid 2.12alpha19

on GitHub

The builds with letter codes below (A, B, etc) are universal parallel builds. They will install side-by-side with the main APK build for testing, or to connect to a different AnkiWeb account in combination with changing the storage directory in preferences. If you install the main APK below, you should install the version matching your CPU instruction set. If you do not know that information, there are many guides on finding it, for example https://www.howtogeek.com/339665/how-to-find-your-android-devices-info-for-correct-apk-downloads/