Este homebrew comprueba tu pantalla, touchscreen, botones, altavoz y micrófono
* A/B/X/Y: Test both speakers, change color
* Up / Down / Select: Switch screens
* Left / Right: Change color
* Touch screen: Shows stylus position, change color
* L: Test left speaker，change color
* R: Test right speaker，change color
* Start: Toggle microphone check
* Blow into microphone: Change color continuously
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Funte: QJ.NET
