Me ha parecido leer en el hilo de XDA que la aplicación no hace nada. Que se supone que cambia un fichero pero la gente reporta que no se lo cambia.
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Quote #01
According to what one of the elders said, taking an enemy on the battlefield is like a hawk taking a bird. Even though it enters into the midst of a thousand of them, it gives no attention to any bird than the one it first marked.