Trouble with window size/zoom...?
If your talking about the game being zoomed in way more than usual and not being able to zoom out as much anymore mine is doing the same thing. It's seems to be an issues with the new update for the Samsung phones and TSTO. My game was fine until I did today's firmware update and now it's all zoomed way in.
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Download the Samsung Game Tuner tool from the Google Play store at https://play.google.com/store/apps/details?id=com.samsung.android.gametuner.thin&hl=en (provided by Samsung, not a third party).
Then, either choose the "High" setting at the bottom by tapping it and then tapping the picture in the middle of the screen (the blue dot will move to indicate the setting), or use the grid icon on the bottom right to navigate through the custom settings to set Tapped Out to High individually.