It helps when the end goal is really well defined like a software emulator. Nearly everything that could slow you down is a known quantity. Conversely, the unkn

It helps when the end goal is really well defined like a software emulator. Nearly everything that could slow you down is a known quantity. Conversely, the unknowns, like how to implement native hardware API X on non-native non-accelerated platform Y, are naturally where community emulators are weakest.