The new iOS 7 comes with an interesting moving background motion or a so called Parallax Effect when you physically move your device about. Let me show you how to turn it off to improve battery life.
With the new version of Photoshop, you also get a new cropping tool called Perspective Crop Tool which will change the perspective on a image. Check it out, it really is a cool tool.
If you are using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.
Basic Photoshop tutorial for everyone where we will open any color photograph and then with a little trick create a nice gradient color transition to black and white.
You can organize your apps in so called folders on your Nexus 4. For instance you can put all your games into a games folder and this is how you do it.
Nokia released the Here Maps app for iOS devices. You can use as a turn-by-turn navigation, search for interesting places, buses and plenty more for free. This is how you install it on your iPhone or iPad.