I did read this question What is the right way to close apps in Android? but I want to know how to close - that means close - application to save power and download limit. My observations tell me that Back button brings me to the previous page (something I am not after) while Home seems to me leaves the page loading in background. So the question is how do I exit the browser. I tried Advanced Application Killer but …

Does one really need to install a task manager? My phone does slowdown on rare occasions but it's not something that hampers regular usage.

I can never end a task easily on the HTC tattoo - is there a shortcut to it I can make, or an easier app to use?

I tend to rely on Recent Apps list to bounce between apps I use most often, as a sort of day-long history, for example. Is there a trick to increasing how many apps are listed in the default Recent Apps list (long-press home > Recent Apps)? I believe it's limited to 8, is there a trick/app which would increase it? Picture the PC Alt-Tab menu when you have 10+ programs open. Perhaps it makes more sense on a phone (from …

If I am having performance problems, what tools can I use to identify where my performance lags are coming from? I have used a System Panel Task Manager, Android System Info, System Manager Free and some others but none of them have really identified the problem children. System Panel Task Manager came the closest with it's historical look at CPU and memory usage but it didn't let me look at which apps were using how much resources over time.

Possible Duplicate: Do I really need to install a task manager? Should I run a task killer on Android or does Android manage applications well enough on its own?