It was an amazing mobile experience, better then the competitors windowsCE, Symbian or PalmOS. Perhaps Psion was better. If you are nostalgic you can emulate ne

It was an amazing mobile experience, better then the competitors windowsCE, Symbian or PalmOS. Perhaps Psion was better. If you are nostalgic you can emulate newtOS with Einstein, runs on android, ios, windows, osx https://code.google.com/p/einstein/downloads/list https://code.google.com/p/einstein/downloads/list