Just discovered this awesome game call WarFriends published by Chillingo Ltd.

It’s a multiplayer PVP that allow you to shoot against another human player or your friend.

It’s free on the iOS appstore & Android play store but with optional in-app purchase.

Pros:
– Innovative shoot them up with unique multitasking deployment of troops
– Strategy needed to deploy the right troops to defend & attack in the right time
– in app purchase is optional

Download
iOS: https://itunes.apple.com/au/app/warfriends/id979873043?mt=8
Android: https://play.google.com/store/apps/details?id=com.chillingo.warfriends.android.gplay&hl=en