kali_00
Think about it for a second: you can re-establish your WA account on a new device using only the SIM card from your old device. SIM cards don't have a storage area for random applications' encryption keys, and even if they did, a SIM card cannot count as "end-to-end" anymore. Same goes for whatever mobile cloud platform those backups might be stored on. And you'd hope Apple or Google aren't happily sending off your cloud decryption keys to any app that wants them. Though maybe they are?
A couple of issues I noticed:
- some pieces rotate in an odd way, as if around an off-centre fixed point. It felt unlike regular Tetris and caused losses that otherwise wouldn't have been in tight spots. Like the piece would "jump" over an entire grid section unexpectedly. It's especially noticable with the long piece.
- on my system, trying a "hard mode" game after a few normal mode games, the hard mode immediately began insanely fast. Repeat plays then caused it to keep speeding up even further each restart, eventually going into endless loop by itself, where it seemed to be so fast it couldn't correctly check gamestate. In these restarts, no pieces would appear, but the score kept increasing anyway, eventually up to some very high number (eg, >70,000) before it'd finally decide a game over state. Each successive game would do the same thing, but advance to yet higher scores.
EDIT: Reproduced the second issue, and noticed hundreds of "Skipping tick during rotation" messages in the console. The procedure for me to reproduce was: play a normal game until you hit the 6000-7000 huge speed-up and game over, then keep playing hard mode games repeatedly, until it takes over.