Tasker

Tasker is an Android app, which can take everything inside and configure for you and make you fully organized. It will hold and automate whatever you feed even your home's light control to high end technical usage. You can automate everything with this app.

It needs some time to understand the app and its applications. Those who are not having an approach to learning it is somehow difficult to learn and use.
When you got familiar with the app... you are the boss of everything around you. You simply control everything with your smartphone.
This App makes your smart phone to smartest phone

Pros: This is an extreme app to personalize and get almost everything attached to the smarphone.There are no limits, You can do many things with this app on your phone, your phone became a central automation unit for you.
Cons: User must have the knowledge to understand the app. He must undergo some time and study the app' tutorial and other sources to get familiar and full usage of this app