No app in Google Play Market. What should I do?
Lack of applications in the search results indicates that the version of Android OS installed on the device does not support the application.
You can check the version of the operating system in your device settings. Now the device works with Android OS version 4.2 and above. If the version of the Android OS below 4.2, you must upgrade the operating system, or use any other device with a supported version of Android OS.
You can also check using the link:
http://play.google.com/store/apps/details?id=ru.nordavind.ecgdongle to the official page of the application in Google PLAY Store. To check the compatibility of the application on your device you must enter authentication data of your Google account activated on your device.