How to Unify Incoming Message into One Inbox for All Instant Messengers on your Android

In daily activity, you might use more than one instant messenger in order to keep in touch with your friends. You are used to using different messengers for different friends. You might install various instant messengers such as Whatsapp, Line, BBM, and many more. Then, sometimes you will get headache with too many notifications coming from those. Actually, you can unify the notification to be one inbox. Follow these several instructions in order to unify them.
Step 1:
Install Snowball Application
At first, you need to install snowball application. It is an application which will become the inbox for all of the instant messengers you have. However, you still need to install the instant messengers you use.