On Android, yeah I guess you might expect it. On Windows Phone, where Microsoft actually -- on some level -- must approve all applications on the store? I cannot believe that 'Mario Jump', a blatant rip-off using actual Nintendo produced art, has actually made its way to the Windows Phone. Unbelievable.
Also -- this game has the best description ever...
Classic game Mario has appeared with a completely new version - Mario Jump incredibly interesting. - In the game you will play man Mario dance steps quickly jump to avoid obstacles along the way. - You just shake the machine to control Mario left or right. - Stay away from the floating turtle, the flowers or the bullets because they will make Mario lose a life. - Jump really high and explore new challenges in the sky. Let's tilt and jump with Mario!
From that description, and the screenshots below, Mario Jump looks like a Doodle Jump clone with stolen Nintendo art. Pretty brutal.