The Picopocket is a handheld device made my me, based on the Picopad schematic. A custom PCB and case, and running on both the Pico (RP2040) and the Pico 2 (RP2350) thanks to Miroslav Nemecek's PicoLibSDK.

PicoPad : https://picopad.eu/en/
PicoPad software developer Miroslav Nemecek :
https://www.breatharian.eu/hw/picolib...
https://github.com/Panda381
Thumby color :
https://www.kickstarter.com/projects/...
https://tinycircuits.com