This app will open Wi-Fi Display settings if your device support it (or in other words SHORTCUT). Some devices support Wi-Fi Display, but the setting is either hidden or not present. It should also work on Samsung device now. I don't have LG device, so I can't test it.
Only download this if your device support Wi-Fi Display / Miracast, but you can't find how to enable it.
To Share/mirror mobile screen to SmartTV or Wifi Display dongle connected to TV, Following steps needs to performed:
1. Check your TV wheather it supports Wireless Display / Miracast.
2. Make sure TV is connected to the same WiFi network as your mobile device. You can't connect it with wired connection (LAN).
3. Make sure your Android device version is 4.2 or higher.
4. Fix Samsung S3/S4/S5 (with hdcp) devices mirror to TV / dongle (without hdcp) black screen problem
5. Two independ hdcp patchs , to enable and re-start mirror
6. Mobile need ROOTED , but need NOT update ROM
9Apps 4.9
