adb-install
Android Debug Bridge Install: Push packages to an Android emulator instance or connected Android devices.
TLDR
Push an Android application to an emulator/device
$ adb install [path/to/file.apk]
Push an Android application to a specific emulator/device (overrides $ANDROID_SERIAL)
$ adb -s [serial_number] install [path/to/file.apk]
[r]einstall an existing app, keeping its data
$ adb install -r [path/to/file.apk]
Push an Android application allowing version code [d]owngrade (debuggable packages only)
$ adb install -d [path/to/file.apk]
[g]rant all permissions listed in the app manifest
$ adb install -g [path/to/file.apk]
Quickly update an installed package by only updating the parts of the APK that changed
$ adb install --fastdeploy [path/to/file.apk]