It doesn't seem like a language barrier to me. You need to have Zen Pinball 2 and all the tables work.
I have this one and it works perfectly on a modified WiiU.
make sure you have the same rom name and cover
es:
NES rom.nes = 1943 - The Battle of Midway.nes
NES .zip = 1943 - The Battle of Midway.zip
Cover rom.nes = 1943 - The Battle of Midway.nes.png
Cover rom.zip = 1943 - The Battle of Midway.zip.png