Back Button App For Android

Hai freinds today we are introducing new app.Simulate the System Back, Home and Recents Button.if the physical buttons of your phone can not use properly, Back Button can let you continue use your phone with simulating the system button.You can set the button color, pressed color and the background color. and you can also make the button with transparency. you can click the boost button on the notification. we will boost your phone with memory clean

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