Contra Returns funktioniert nicht

Developed by famous Japanese game company KONAMI and world-leading game developer TIMI, Contra Returns aims to bring the classic Contra experience to mobile platforms.  In Contra Returns, players can enjoy the classic side-scrolling gameplay, two-person teams, alien bosses, and signature settings and soundtrack from the original series!  Reignite the Battlefield: Fight like a warrior in this worthy sequel to the classic Contra series made in collaboration with Konami.  Conquer the Battlefield with Friends: Team up online, exam your teamwork skills, and take on the Contra world together.  Get your fighting spirit all fired up with innovative content: real-time PvP battles, unique heroes, companions, and team mode!  Go Head-to-Head in Real-Time Combat: With fair competition and 3-second matching, enjoy exciting multiplayer battles online.  All with updated HD resolution, 3D character models, and vivid acoustic and visual effects to deliver a sensory experience like no other!  Legendary heroes Bill and Lance are making a comeback, so let's kick some alien butt and save the world!  Tons of Gameplay: Experience all-new gameplay in the Team, Challenge, Story, and PvP modes.  After a 30-year hiatus, the Contra you know and love is back!  Remember the secret code: Up, Up, Down, Down, Left, Right, Left, Right, B, A to get extra lives?  Weapons Galore: Mix and match your arsenal and pair up different heroes to unlock new skills!