Play a clone of Tetris
Tetris has suggested efficacy in attenuating development or severity of trauma and it seems to have a beneficial ongoing cognitive effect also.
Don’t get Tetris™️, get a good paid version that lets you buy it and doesn’t show ads or track you after buying.
kore over wireguard to control kodi in a relatives house.
Kde connect is just awesome too and also works over wireguard
Voice recorder for meetings to recap later.
You can also use WiFi and Bluetooth to see what devices are nearby.