Terminal IDE (https://play.google.com/store/apps/details?id=com.spartacusrex.spartacuside&hl=en https://play.google.com/store/apps/details?id=com.spartacusr...)

Terminal IDE (https://play.google.com/store/apps/details?id=com.spartacusrex.spartacuside&hl=en https://play.google.com/store/apps/details?id=com.spartacusr...) goes a long way towards making Android a good dev environment, although I personally prefer using Complete Linux Installer to automate a chrooted Ubuntu install (needs root though, obviously) (https://play.google.com/store/apps/details?id=com.zpwebsites.linuxonandroid https://play.google.com/store/apps/details?id=com.zpwebsites...).