Isn’t Microsoft Rewards similar?

It was meant for testing one of their UI redesigns.

sh.reddit.com seems to still work

Android roadmap: https://developer.thunderbird.net/planning/android-roadmap

What would be good privacy-friendly alternatives?

I’ll consider an iPhone when they get rid of the giant notch and allow sideloading and more browser engines.

From README:

The current focus is on implementing next-word suggestions, which has become complicated/hit a snag and is taking more time than originally planned. Updates will come when this issue is resolved. Thank you for being patient.

Kdenlive

FlorisBoard