Keyboard and screen size are both showstoppers. Also why a developer would want to lock themselves in android/iOS is a mystery to me. But having an external mo

Keyboard and screen size are both showstoppers. Also why a developer would want to lock themselves in android/iOS is a mystery to me. But having an external monitor/tv and a real keyboard then you could do some real work in either a terminal like termux or ssh to a real machine. But you loose a lot of the portability in most scenarios and that is also the only thing a phone is better at.