30 Android Hidden Tips and Tricks; Works with Samsung, HTC, Motorola and Others It is no trade secret now that Android is the #1 smartphone operating systems in the world. However, there are enough reasons behind this overnight success story. Based on the Open Source software theory Android offers numerous flexibility and exclusive features which are yet to be seen in the rivals. For example, Android offers file transfer via Bluetooth, offers portable storage, allow install apps from anywhere, multi-tasking with split screen and many more which several rivals are yet to offer. Apart from all these, Android also offers several secret codes, which can actually open a new world of smartphone computing for you. These codes are usually a sequence of numbers and symbols and meant to be entered through the usual phone dial pad which you usually use for inputting numbers before placing a call. Following are the secret codes for you. Please read the subsequent result before trying them out, sin...