JotBunker for Android is currently in closed beta on Google Play. To join, submit the email your Android phone uses to sign in to the Play Store — that's the only address Google will let us add you under.
Once you're added (usually within a day or two), you'll get a link to opt in and install the beta build from Google Play.
We'll add you to the Google Play beta within a day or two. Watch your inbox for the opt-in link.