Eddystone-URL adverts are available via the Chrome browser on both Android & Apple platforms.
The Eddystone-URL scheme is defined by RFC 1738, for example https://goo.gl/QFyDGc and is used to designate Internet resources accessible using HTTP (HyperText Transfer Protocol). URLs are written only with the graphic printable characters of the US-ASCII coded character set.
Eddystone is a protocol specification that defines a Bluetooth low energy (BLE) message format for proximity beacon messages. It describes several different frame types that may be used individually or in combinations to create beacons that can be used for a variety of applications.
In android 4.4 or higher, it causes a notification to be displayed on the user's phone. On iOS the process requires Google chrome to be installed and for the correct permissions to be set in order to receive notifications.
Eddystone-URL used for Advets are a compressed URL that, once parsed and decompressed, is directly usable by the client.