Download Smart Tools APK
Smart Tools is a complete package of 5 app sets. It includes 5 Pro sets for a total of 15 tools. In a word, All-in-One.
In order to install the downloaded APK file, make sure you allow Third-party Applications to be installed in your device or else downloaded APK file will not be installed; to allow them just go to Settings, Security and check the Unknown Sources/Non-Market apps.