Phone heater app makes phone warmer. Use app and phone as hand warmer
Phone heater run CPU to generate heat. It takes a few minutes to warm phone. Due to cpu load, it gets hot and due to cpu high temperature it transfers to phone. Surely phone warming process will affect on battery persentage level. Phone heater has 6 position of run. First one is off position. Another 5 are phone heater levels. User can change intensivity of heater (i.e cpu load) by pressing + or - buttons. Just open phone warmer application, turn on heater by pressing + button, lock phone and wait untill phone gets hot. Application is very helpfull in winter. Turn on heater and put phone in your pocket. Then use it to warm hands.
Warning! Application overload cpu to generate heat. Although application works smart and do everything to avoid cpu injure but please be close and do not turn on heater for a very long time. Application may not work properly for some devices.