Baseline (Widescreen) Solution & Issues
Native HOR+
Optional 60FPS Fix
You need to Hex & INI edit to break the 30FPS Limit.
Go to --> ...\Steam\steamapps\common\Disney Epic Mickey 2\DEM2.exe
Look for F0 C1 00 00 F0 41 00 00 B4 and change it to F0 C1 00 00 F0 42 00 00 B4
now go to ...\Steam\steamapps\common\Disney Epic Mickey 2\ConfigFiles.ini
look for LockedFrameRate and LockedFrameRatePAL - change both to 60
60fps fix available from the PC Gaming Wiki Community Files (search there).
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Native HOR+
FMV cut-scenes are stretched.
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues