Tons of FOSS apps doing crucial stuff use tricks, like displaying a permanent notification (which you can then mute) to stay awake.
Also, you need to manually set the battery restriction to “unrestricted” for apps, by pretting on the text in the 2 battery options, and setting it away from “optimized”.
Androids memory management is crazy
Bissl spät dafür
KKR hat bereits genug in erneuerbare investiert, jetzt machen sie Werbung für Energiewende