The complete Bible, narrated verse by verse — you'd be one of the first people to use it, and your two weeks of ordinary use is what unlocks its public release.
If that page says the app isn't available yet, step 1 hasn't landed — check that the Gmail you sent is the one your Play Store uses, and give it a few minutes.
What we ask of testers: keep it installed and just… use it. Listen on a drive, read at night, try a playlist. If anything is confusing or broken, tell Erik — that's the whole job.
No account inside the app, no ads, and it collects no data — privacy policy. About the app: erikmcnair.com/rooted.