The event feature does currently not work on Android 8.0 or newerversions. Download the app to get your unique Simplepush key. Thereis no registration required. After your free 7-day trial the appwill require a one-time $3.99 in-app purchase. Use your Simplepushkey to send notifications to your device. Sending a pushnotification to your device is as simple as a HTTP request. You cancustomize ringtones and vibrations for your notifications with theEvents feature. End-to-end encryption can be used for increasedsecurity.