This app is used to match with Eureka!, compatible devices: bluetooth 4.0, Android 4.4 and later system. One can control the other through Bluetooth. The following are functions of this app.First of all, searching the Bluetooth of Eureka!. Tap the Scan icon in the Device List to connect with Eureka!, then the app will show its name and also you can rename it as you like.Second, tap the name of Eureka! and come to the main interface. Now you can control the Eureka!.