HELP Urgent for Samsung S4 Active.

[AC Question]

i guess i download a tank game, so i guess it ask whether to choose sd card or phone storage, but after that my phone had so much problems, my game is lost it appears that my sd card had some problems my game 8 ball agario had the sign of sd card it say no application is not installed. i tried to restart my samsung phone. it didnt shut down properly the led indicator keep lighting blue. i wanted to go to application manager and my phone hang. i cant even shut down properly and my sd looks problematic now can anyone help?