If Hitman sniper is not install or not opening properly watch this video :-
Installing Hitman sniper is really esay you have to just follow some simple steps:-
At last download RAR extractor :- HERE
AFTER YOU HAVE DOWNLOADED EVERYTHING HERE ARE THE INSTALLATION STEPS:-
1.Install the apk first don’t open it just click on done.
2.Then go to obb zip file tap on it and open it on RAR extractor and extract it to Android/Obb….after selecting the destination click on OK.
3.After extraction is completed RUN Hitman sniper APk and ENJOY:-)