Tiny Flashlight + LED - Tiny Flashlight + LED is free to use application that can be used anywhere else, having nicely built-in functionality.
WiFi Map - A crowdsourced list of routers and passwords
Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.
Get Free Fucking WiFi - Find the best fucking WiFi just around the corner.
Task Killer - Task Killer is an application which automatically forces other applications to stop which are running in the background, making you enhance your smartphone performance and battery life.
WifiMapper - Find free WiFi anywhere in the world