This is an alpha quality prerelease. Not everything works, but some functionality exists. Namely, you can:
Lemmy posts can be read (defaulting to "lemmy.ml" for Guest)
Logging in works, via add an...
Just in time for the reddit apps to all die :) Notes are there, let me know how things go.
Same as others reported, I often install apps that way but with that apk I get "You can’t install the app on your device’