Android projects under v2rayng folder can be compiled directly in android studio or using gradle wrapper For a quick start, read guide for go mobile and makefiles for go developers v2rayng can run on android emulators But the v2ray core inside the aar is (probably) outdated.
A v2ray client for android, support xray core and v2fly core The aar can be compiled from the golang project androidlibv2raylite or androidlibxraylite A v2ray client for android, support v2fly core
Follow their code on github. Android project under v2rayng folder can be compiled directly in android studio, or using gradle wrapper But the v2ray core inside the aar is (probably) outdated