How did I not guess that?)) But seriously, not everyone will bother to install Android Studio to try a new app.

Monotone

You can make a fork of code and compile using Android Studio  or these instructions: 

https://github.com/EttaWallet/EttaWallet#reproducible-build-dont-trust-verify

bitcoin

Introducing EttaWallet — Collin Rukundo

Rsync25

You can make a fork of code and compile using Android Studio  or these instructions: https://github.com/EttaWallet/EttaWallet#reproducible-build-dont-trust-verify :)