My dear friends Gmail is a best mobile application for us. It is very important and very useful for us. the main advantage of this app is send same messages to more then person at a time.
Layout and design of this app is very interesting and attractive.
It has many best features like: -
You can easily share files, documents, images, and audio cilp etc. from one or more than one person.
It is most impotant app and very useful.
Usage of this app is: -
You can save your personal details on this app, If any place you want your documents , then you extort printout of this.
You can also send videos, Resume and other data.
I suggest you use this app.