[Need update] Reicast
Reicast is an open source emulator for the Sega Dreamcast console. For months a new version, but it was thrown to the F-Droid. Currently referred to as non-free BIOS is required.
F-Droid: 0.r5+ Current: 0.r6 (stable), 0.r7-rc (pre-release) https://github.com/reicast/reicast-emulator/releases