What is the 3D parallax effect? Describing it in a simple way will be like this: when you shake your snartphone, the background wallpaper will follow to move. This is such a cool thing that the 3D parallax background feature of iOS 7 is pretty enviable. If you want to implement this feature on your Android operating system, 3D Parallax Background this application is just what you need.

Nowadays, many display devices are added the "automatic brightness adjustment" function, which can reduce the eye harm from screen light to a certain extent. But this is far from enough, because more eye injury caused by display is from slant cold blue spectrum. It is one of the main inducements that cause human cerebral cortex to become overexcited and unconsciously stay up too late, even result in sleep disorder or insomnia

When you temporarily lend your own mobile phone to family members, friends, classmates, workmates, or even children to use, I guess some of us would be worried about that our privacy might be snooped around. In cases like these, we may only take the following two measures: 1) not to borrow by making excuses; 2) watch him/her to use your phone, and then get it back as soon as possible. Apparently doing so is always not satisfactory enough, this time you can give ES App Locker a try.

Spy Note is a free Android RAT (Remote Administration Tool/Remote Access Trojan) program developed based on Java. Its Server is written in Java, and the Client controller is written in Visual Basic .NET. After installation on an Android device, Spy Note will automatically remove its on-screen icon from victim's device.

UltraSurf (AKA: 無界瀏覽) is one of the world's most popular free anti-censorship and pro-privacy applications, developed by UltraReach Internet Corporation in 2002. It was originally created to help internet users in Mainland China (where the Internet is heavily censored and Internet users' activities are monitored by the Great Firewall of China) bypass internet censorship and protect their online security & anonymity. After that, it became popular in many countries with Internet blockade due to its good usability, fast running speed and unlimited network traffic.