Welcome to the PIVX mobile wallet for android!
This project contains several sub-projects:
app: The Android app itself. This is probably what you're searching for.
pivtrumj: Stratum protocol implementation.
pivx-core-0.14.3-12.1: pivxj.
You can build all sub-projects at once using Gradle:
gradle clean build
Use git clone --recurse-submodules https://github.com//PIVX-Android.git
Use git clone https://github.com//PIVX-Android.git
git submodule init
git submodule update