State machine as a installer for oiyshTerminal. u good?

I already created a installer. But it's yym brutal. This new finding for me "dialog" will give me from start a semi "UI" it even react to touch! nice. 

For now it's a bigger test. 

Really raw idea what is what. 

welcome screen done :P main menu (basic) done, checker in (basic)

I can make a backup and update of yss.

tbc...