Quite difficult to know on the app what version you are currently running - Install the release, git head or a nightly, and it all just says version 1.0
We could do with some sort of identifier, whether we bump the version (like we do for the MW release cycle after branching the current release), or append -dev or -nightly, or the first 5 or so characters of the git hash for that revision
Somewhat related to bug 33804 too
Version: 1.0.0 (Android)
Severity: enhancement