Probably the best bet is to attach an ESP8266 WiFi module? The build for the HY board may not support that though :(
Otherwise you could use a Bluetooth BLE module, but then you'd have to write a custom app for it.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Probably the best bet is to attach an ESP8266 WiFi module? The build for the HY board may not support that though :(
Otherwise you could use a Bluetooth BLE module, but then you'd have to write a custom app for it.