Thank you for making this. Straight forward to use. Love it already. (To the creators: There's some room to improve in my opinion. Options to include or opt out milliseconds and being able to see timer at the time/battery/wifi/audio bar at top of screen. Just wondering if this can be done. If yes, it'll guarantee a 5 star rating for me, and possibly others more.)
ver. 3.2.2 - fixed a minor bug
ver. 3.2.1 - adjusted a little for tablets
ver. 3.2.0 - The ad banner is invisible while the timer is working.
ver. 3.1.0 - added the button "quit".
ver. 3.0.0 - The elapsed time and the remaining time are exchangeable by pushing the button "layout".