This is an system tool can lock any applications on your Android smartphone,If someone want to open the application which is locked,he needs to enter passwords.So it can protect your secrecy and privacy.

Application Lock provide the private protection for you and let your mobile device more safe.

Linux Terminal for Android. Run Linux command on your phone and install external android apps.

One Power Guard is an unique battery protection app - One is all cool(xuan).
One Power Guard is a unique battery enhancement tool designed to conserve your battery power an increase uptime on rooted Android smartphones/tablets. One Power Guard will decrease your charging time and increase your device performance while also increasing your uptime.

This is a fast and powerful tool to manage your variant of apps, which includes Risk indication, app autorun control(ROOT), Task killer, Move app 2 SD card(Android 2.2 or later), Uninstaller, Backup apks to SD card, and etc. And in expert mode, you can filter and sort packages by many useful ways. Also it can call root function automatically to get better performance if your device is rooted.

Try this to check your apps, you may find something you do not know before!:)

Installing system updates could result in your Android device being hacked. Recent investigation found six such vulnerabilities (Pileup flaws) in Android OS. When you upgrade your device, a seemingly harmless app can exploit the bugs to get access of your credentials, call logs, Google Voice messages, etc. This security app scans your device to detect Pileup malware and guides you uninstall it once detected. For more info, visit official website SecureAndroidUpdate.org.

An Android file checksum calculator that actually works