Let me show you how simple is is to turn your Samsung Galaxy S3 into a wireless hotpot you then connect to with any other WiFi device and surf the Internet.
Nexus 4 smartphone comes with a bunch of Android widgets you can add to one of the screens. Let me show you how to add a widget to a screen and how to customize it.
By default Windows calculator doesn't support order of operation, to enable the functionality you need to activate the scientific view, let me show you how.