: Cemu is the gold standard for Wii U emulation. It is highly optimized and can run the game at higher resolutions than the original hardware.
: Downloading ROMs for games you do not own is generally considered a violation of copyright law. The safest legal method is to "dump" the files from your own physical Wii U console. Pokemon Rumble U Rom Download
: Be aware that downloading ROMs of games you do not own can be considered piracy. If you're a fan, consider purchasing the game through official channels if available. : Cemu is the gold standard for Wii U emulation