Locks up! – Sniper Warrior 3D: Desert Warfare Review

I have an iPhone, I'm currently on Survival Mode 1 mission 21. It is showing the tutorial and will not cycle throu the tutorials so I can finish the mission. Also, each time I attempt to sign-in with Google or click on the achievements icon the app shuts down. I like the game, but am stuck
Review by SuperDave76 on Sniper Warrior 3D: Desert Warfare.