Stop applications from auto updating
If you contact the developer with your problem, they can fix the app and you can go on using it normally. First, note that many apps will close completely if you Back out of them rather than using the Home button.
If you are running Ice Cream Sandwich or Jelly Bean, you can go into Settings, hit Applications, and manually shut down the app by tabbing over to the running apps.
If battery life or CPU performance is your concern, you don't need to worry about these apps!
Example: in this example), click on the drop down arrow and click on the time listed.If the app in background is running a service, that may be a different story.Well-designed services spend most of their time sleeping, waking up for the occasional check (new social media notifications, for example).An app like Tasker or Llama can be used to end activities when you switch apps, for example, ensuring they don't stay around in the background.Instructions for Llama: As mentioned above, some applications may start when they receive Intents (system events).