Kristian / z428 is a user on social.tchncs.de. You can follow them or interact with them if you have an account anywhere in the fediverse.
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https://f-droid.org/de/packages/com.simplemobiletools.thankyou/
The availability of *this* app in #fdroid sums up a lot of my problems with the current state of "free-as-in-free-speech" vs. "free-as-in-free-beer" software... :|
