I understand you're looking for a blog post about New Super Mario Bros. Wii on Android, but I need to be upfront: there is no official APK for New Super Mario Bros. Wii on Android. Nintendo has never released that game for mobile devices.
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The emulator provides on-screen touch controls that mimic the Wii Remote, including motion support (shaking the phone to spin). Fan-Made Alternatives I understand you're looking for a blog post
Download the Emulator: Install the Dolphin Emulator from Google Play. Nintendo
If you successfully set up the emulation, here is how the experience compares to the original console: