Sidekick64 is a versatile expansion for the C64, C128, and the C16/+4. It uses a Raspberry Pi to emulate memory expansions, sound devices, freezers, etc. The recent changes are: Support for Raspberry Pi Zero 2, smaller PCB, improvements for GUI/menu and more cartridges: Freeze Frame / Freeze Machine (C64), Warpspeed (C64 / C128) and Megabit ROM (C128).