What is the "Launcher" application and also why exist different applications?
Launcher is a substitute for the Home application (the application that your phone switches over to when you push the Home switch ). It is primarily the application that allows you switch over displays, launch applications, sight widgets, and so on. Various other applications supply even more residence displays than the default, or various toolbars at the end of the screen supplying various means to promptly release applications. These were preferred with the first Moto Droid given that it was primarily the supply Android 2.0 OS which just had 3 residence displays. With Android 2.2 and also the personalized user interfaces that handset suppliers add, the efficiency of these launcher applications might not be so noticeable or essential.