Anyone who uses a computer on a regular basis probably knows how to access the task manager to check system resources and usage stats. However, on a Samsung Galaxy S3 or other Android device, it may not be so obvious. There's no equivalent to Control-Alt-Delete, but it's still fairly easy to monitor running processes and battery usage.
To see your running processes, just head on over to Application Manager in your Settings and slide over to Running. To see your battery stats, just head to Battery in Settings. These two stats are nice to have, but they don't give you as much information as... more