Ubuntu is available on multiple phones, and as they are running Ubuntu, git-annex can be installed.

Installation

Use phablet-config writable-image to make the image writable.

Then install git-annex using apt (apt install git-annex).

Issues

The Debian package does not include the webapp: git-annex version: 5.20141125 build flags: Assistant Pairing Testsuite S3 Inotify DBus DesktopNotify XMPP DNS Feeds Quvi TDFA CryptoHash key/value backends: SHA256E SHA1E SHA512E SHA224E SHA384E SKEIN256E SKEIN512E SHA256 SHA1 SHA512 SHA224 SHA384 SKEIN256 SKEIN512 WORM URL remote types: git gcrypt S3 bup directory rsync web tahoe glacier ddar hook external

Application Compatibility

I have had difficulties getting the Music app to play music in a git-annex repository.