Android?
This is the first time we heard such issue. Can you provide us with more details so we could investigate further
PC windows version/OS
dxdiag (if possible)
Sinners Landing game version
Screenshot of the issue
Player log - which you'll find here
%USERPROFILE%/AppData/LocalLow/FlexibleMedia/Sinners Landing
Email it to us at jack@flexiblemedia.net