Assuming your Wii U is modded, you can download NUSspli from your PC to your Wii U. You then can play it. feel free to reply if there's any problems!

there is a 3ds version too :)

If You Do Not Have 3ds a 3ds Then Use Wup Installer Gx2 To Install It And First Get It From Wiiudownloader

thanks now i can play Minecraft on my wii u thanks to Nusspli ! :)