PC versionGBAWIP Fans have made a PC version. Some are still early, so read the project page first.
Fans took Boktai: The Sun Is in Your Hand apart and rebuilt it so it runs natively on a computer, often with widescreen, higher frame rates and mods. Here is the project we know about:
Boktai: The Sun Is in Your Hand, statically recompiled with gbarecomp — the cartridge solar sensor driven by real local weather