Two instances of my android application are running…How to avoid this?

Question

Here is my problem -

1. I copied my .apk file onto phone memory card and launch my application clicking on it and it allows me to install my application.I ins

Answer 1

If you haven't got this sorted yet, I would say your app is actually being killed when home is pressed, or perhaps you have a bug that doesn't latch onto whatever object is keeping state.