Hey there. I didn’t respond to this at the time since we saw you in the bug report, but for posterity, App Launcher is certainly not in the best shape for a beta test right now. It’s a massive concept to undertake, and we’ve run into some issues that don’t have blanket fixes (e.g. some apps have one problem, some have another). We will try to be more clear in our materials during Beta to warn you before you make the move.
That being said, we are working diligently on App Launcher, and we have high hopes in what it can achieve and what it could mean for the Android platform. We will guarantee that it is fully functional and ready to go before we get out of testing.