Try Tizen OS? Open source and the Z2 phone is so cheap! It's really a smart phone with a different OS though... Not sure if it's still happening but Samsung ha

Try Tizen OS? Open source and the Z2 phone is so cheap! It's really a smart phone with a different OS though... Not sure if it's still happening but Samsung had some developer bonuses for apps, so could be lucrative (in the short term)