This app is the best power-saving tool for Android. Some carriers supported by this application can be received mail in real time during the saving the power.(The trial version can be used for 7 days.)[Features of application]Android usually runs out battery in about 1-3 days,but this app can keep in 2 weeks or more. (Use depends on the environment)Traditional power-saving app will not be able to receive mail in power savings. This app solved it by addressing the push notification.In addition, equipped with the ability to display a graph of the history of battery level. You can see the power saving effects at a glance in this one.[Who recommended?]3G connection will be disconnected when turns OFF the screen. We recommend for such user whose main use is standard voice calls, e-mail applications and Internet browser.[Warning]1.The realtime receiving is not supported for any carriers.In that case, please make mail check manually.2.If your phone is a carrier supporting push notification in this app. please enable accessibility setting.You will see a warning when you try to enable, this app don’t gather your information. Please use it at ease.3.There are some models that can not control the 3G in this app.