Good stuff.
The lack of rotation support for Drastic in game / menus is probably my major beef with the UI. If the following could also be included it would be appreciated :
1) Allow selections to be made in the Main Menu (Continue, Load new game etc.) with hardware controls as you can in the Configure Options menu
2) Provide a method to exit the configure options menu without having to use the Android Back Button (I like to disable the 'taskbar' when gaming to either use all available screen estate or hide anything none game related)
3) An optional screen layout for Shield / Ouya / Stick TV / HDMI Out, where the device screen is viewed in landscape mode (as per your TV / monitor) but the DS screens are show one above the other. Lot's of screen wasted I know but the best solution available for a lot of games if played on TV. I know this can be set up as a custom layout but my guess is it would provide a useful choice as one of the preconfigured screen layouts.
4) The ability to call up the menu in game by tapping the 'none touch screen' (or perhaps perform some other function chosen by the user like toggle screen layout etc.)
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PS Congratulations on 100,000+ Sales on the playstore
EDIT : Just thinking about the 'sales' figures on the playstore it says there are over 100K installs of Drastic, does this mean individual sales or total installs, I've bought Drastic once but have installed it on 4 android devices (Phone, Android Stick PC, my Tablet, my Daughters tablet on my account on her tablet).
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@ Shenmue : Do other games work? Have you tried to reassign the hardware controls?