Because it is a Wii game, it expects a Wiimote or Classic Controller. Go to Dolphin's Overlay Controls > Choose Controller and set it to Classic Controller . This maps the layout like a traditional PlayStation or Xbox controller, which fits the arcade style of Inazuma Eleven perfectly.
If your patch came with a "Textures" folder, move it to Android/data/org.dolphinemu.dolphinemu/files/Load/Textures/SJLE01 . Because it is a Wii game, it expects