Launch icon:
To change the launch icon for your app you have to replace the pictures in your app's res->drawable folder with a picture of the same resolution and same name. The pictures are called ic_launcher.png.
For more on how to create a new launch icon click here.
App title:
To change the title of the app simply go to res->values->strings.xml. In the xml-fil change the content of the string called "app_name" to whatever you'd like.
