The RP2350, a microcontroller developed by rPi, has gained attention with its compatibility with the rPiPico. The device was used in the DEFCON 32 badge, which features a tiny Gameboy emulator and a PalmOS version that can run on the stock badge or with added PSRAM. The firmware images are available for download and can be updated via SD card.

Source: https://dmitry.gr/?r=06.%20Thoughts&proj=11.%20RP2350