Battery Booster is a powerful battery boosting tool and power management application specially designed for Android smartphone (with Homescreen Widget Support). Based on system specifications, Battery Booster provides the most accurate information on your battery charge, which includes the real-time battery capacity, temperature, voltage, etc
Lookout - Protect your mobile phone and download apps without worry.
Anti-Virus + Firewall:
· Run a virus scan on your system to quickly find malicious files. Block scans and exploit attempts
App Installation Tracker - Helps you keep track of your app installation history. Tracks all installations, uninstallations, updates, replacements. Includes a search function and an action filter
LCD Density Changer - A little app to play with the LCD Density Settings. It lets you set the LCD Density Setting without editing the build.prop file (directly).
Be aware that the tweak only will work with launchers like LauncherPro. It doesn't work with Samsung's own TouchWizardLauncher