apk and performance
<p>after i develope my application i try to run my <code>apk</code> every thing works fine
and i go to the <code>setting</code> and take a screenshot of some <code>application</code> to show you</p>

<p>look at the picture
to know what i am taking about 
<img src="http://i.stack.imgur.com/TLYAa.png" alt="http://im27.gulfup.com/daf61.png"></p>

<p>I would like help understanding exactly what information this screen gives to me and how to use it.</p>

<p>knowing that i use <code>android</code> </p>
