NitroSwan v0.6.2 is released. This is a Bandai WonderSwan (Color/Crystal) & PocketChallenge V2 emulator for the Nintendo DS.

NitroSwan Changelog: Added SLOT-2 RAM support.
Added IPS patch functionality.
Added power on/off ability.
Fixed correct frame-rate without "Allow Refresh Change".
Fixed sound mixing.
Optimized mapper writing.

Download: NitroSwan v0.6.2
Source: Here