The following New advancements may come soon or may take sometime. But these new things will definitely come in future
1. Mobile caller tune - Inbuilt :
Whenever we call someone we are either listening to the tune tring tring or the tune the other user has set in the network.
But soon this may change. How ?
You can set a song in your own mobile which will play when you call someone until they pickup and start talking.
Nice ? Keep waiting for the other ideas.