Insider is now available for download from Windows Phone Store for WP8 devices.
This App has a lot of useful functions.
– Battery Status
– Shorcuts: FlashLight, StopMusic and System Setting Shortcuts(WiFi, LockScreen, Cellular…)
– Today’s Bing Backgound: download(up to six days), photo loaction
– Time Tools: World Clock, Stopwatch, Countdown
– All Windows Phone Compare
– System Info: phone info, version, network, memory…
– Diagnostics: NFC, GPS, LCD, Headset…
Download the app here or use the QR code.