Not all Android phones are equal. Here is the hardware you need to run compressed RVZ files without stuttering:
Q: Are Wii games highly compressed Android safe to play? A: Yes, Wii games highly compressed for Android are safe to play as long as you download them from reputable sources and take necessary safety precautions. Wii Games Highly Compressed Android
Split screen – left side showing a Wii game cover, right side showing Dolphin Emulator running on an Android phone with on-screen or physical controller. Not all Android phones are equal