This is a simple web socket (ws) app which logs a local rest subscription to ISY and Polisy
Go to https://github.com/UniversalDevicesInc/UDWebSocketExample-Android then go to Releases on the right side. Click the desired release then Download app-debug.apk to the Android device. Click the downloaded file. The Android device may have a security warning when installing apps from outside of Google Play. To override security waring click settings or go to "Install unknown apps" settings then allow. After installation be sure to return "Install unknown apps" setting to its previous state.
Add IP Address, Port (if not 80), username and password then hit start at top right. Stop by clicking stop at top right. Web Socket will be stopped when activity is paused.