Simple app that shows the cpu and cores usage of an Android device.
Answer to the stackoverflow question : https://stackoverflow.com/questions/22405403/android-cpu-cores-reported-in-proc-stat .
Basically the only important part is the CpuInfo class : https://github.com/souch/AndroidCPU/blob/master/app/src/main/java/souch/androidcpu/CpuInfo.java