One of the more irritating things about casting from Android Chromecast is that some apps don’t have a Chromecast button. This means that you have to use the native Cast option in the pull-down menu in order to stream, say, The Gadget Show on 5OD from your Android device to your television. The Cast option means keeping the Android screen on, which will then drain your battery.
However, you can avoid this drain with the very useful Screen Standby Root app for rooted devices, which is available from the Google Play store. Promising a battery drain of just two per cent (rather than the more usual 30 per cent), Screen Standby will basically make it possible to send your Android desktop to your Chromecast with your device’s display switched off.
Ideal for anyone watching television or films with apps that don’t support Chromecast, or even for gaming on a big screen, Screen Standby is also pretty useful if you are downloading a large file and want the screen off without putting Android to sleep.