'Contra' for phones looks just as tough as the console versions
 

The Contra game series is notoriously tough (there's a good reason it's synonymous with the Konami code), and it doesn't look like it'll be any easier in its smartphone version. Konami and Tencent have released a trailer for Contra Mobile which shows...

http://www.engadget.com/2016/03/28/contra-mobile/