I do a huge chunk of my development with physical devices. It would just be nice to have a quick and reliable emulator as a fallback for those times when you do

I do a huge chunk of my development with physical devices. It would just be nice to have a quick and reliable emulator as a fallback for those times when you don't want to carry a development device, or when attaching it to your machine would be awkward, risky, or horrifically dorky looking.