CCleaner is not the most powerful PC cleaner, but it is currently the most popular and reputable one among all similar software, this is the truth. After being ported onto Android platform, CCleaner for Android has not been able to continue the strong performance of the PC edition. Before that, it at least has to catch and surpass one of its main rivals (although extremely difficult) - the Clean Master from China.

HTTrack Website Copier (AKA: WinHTTrack, WebHTTrack, HTTrack for short) is a free and open-source websites crawling, downloading & offline browsing tool developed by Xavier Roche from France.

In my opinion, there are only two best root file explorer/manager apps on Android platform: one is Root Explorer, the other is ES File Explorer. If have to arrange their positions, I'd like to put ES File Explorer in the second place, although I like its FTP client and remote manager functionalities very much, as well as its more user-friendly UI design. Anyway, now we're going to simply have a look at ES File Explorer.

Root Explorer (RE for short) is an extremely powerful must-have file manager for rooted Android OS (requires root permission to work), developed by Speed Software from United Kingdom. It enables users to access the whole Android file system (even including any hidden system data folders) and easily to perform operations with the highest authority required.

Now WiFi network has covered almost every corner in our life. That means, every smartphone user may need to connect to different WiFi networks in different places. As a result, accurately remembering these unlike WiFi passwords has become a problem. In another case, when you need to reconnect to or connect a new device to some wireless network and you just forgot the password, to get the password once more is also a trouble thing. I guess you would not like to ask somebody else or the network administrator for the password every time. In such cases, a tiny and handy mobile app can make things much easier.