Which driver is better to automate Mobile Application

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1

I have observed that to automate mobile app in android/iOS there many driver such as
For Android: AndroidDriver, AppiumDriver.
For iOS : iOSDriver, AppiumDriver.

Can anybody tell us which driver is more power full for android application and why?

2

@Chirag_Singh , Kindly read appium documentation. also refer java-docs for java-client library
http://appium.github.io/java-client/

3

Please also suggest Is AndroidDriver deprecated or not in future? Any one has idea about it.

4

I have heard of no such plans to deprecate the AndroidDriver.