Arduino IoT Control Devices App. You can control your devices with ThingSpeak.com on Android App.
Feature Control 2 Devices Set your Channel ID and Field for your control. Free Version with Ad.
More Details in My Blog. http://androidcontrol.blogspot.com/2015/06/android-iot-control-thingspeak.html
What is Thingspeak? ThingSpeak is an open source “Internet of Things” application and API to store and retrieve data from things using HTTP over the Internet or via a Local Area Network. With ThingSpeak, you can create sensor logging applications, location tracking applications, and a social network of things with status updates.
Getting Start with ThingSpeak.com https://thingspeak.com/docs