You know that we are hobby team, so we acts like free painters
doing something when we like it or drop it and continue with something else, much more interesting at the current moment. then return back to old project with new ideas. It's just some kind of art
ETA, time lines, plans - all this make hobby extremely boring
So we can't and never promise anything exactly...
So you should not read "we working under ABC" as "they will release ABC soon".
You should read it as "they looking now to ABC, but if stars of the sky located in the triangle with angles 60 degrees, they will able to successfully finish it and then release it"
Yes, mouse with invisible cursor. But I can't advise you any program. Maybe you can search descriptions how to connect mouse to old PDAs with USB Host, like Loox 720.
Android doesn't support USB Host?
Was designed only for LEO (HD2). I doubt it will work with S200.
I need ask other DFT members.