As I'm sure most are aware, by default the microphone seems to spam google search/now, regardless of the app you're in. This can be fixed. Follow the steps in this guide if you'd like the mic to work with individual apps. It's been tested with Youtube, Google Play and SPMC.

MicrophoneHot.png
Download: (Thanks @ChristianTroy)
https://mega.nz/#!xhJSAYrZ!nJuPxuZf0zOgqf7mHXQ639qwCUwYKLnMJhP1-zIgQj0

Steps:
1- Download the above flashable zip file.
2- Place the downloaded zip file on the root (Main folder) of your MicroSD card or USB device.
3- Insert the MicroSD card or USB device into the Wetek Core.
4- Reboot the Core into Recovery.
*Method 1 - While the Wetek Core is on, long press the power button, select reboot then select recovery.
*Method 2 - While the Wetek Core is on and on the launcher's main screen, select the power options, select reboot then select recovery.
5- Once in recovery, select Install from External (First Option), select the device you placed the file on and choose the zip file.
6- Once installed, select reboot.
7- Enjoy!

Optional - Set up OK Google to work from any screen:
1- Make sure you have the latest version of the Google app. (To get the latest version, go to the Google app page on the Play Store and touch Update).
2- Open the Google app .
3- In the top left corner of the page, select the Menu icon, then settings, then voice and finally “Ok Google“ detection.
4- Check the box next to "From Google app."
5- To turn on "Ok Google" detection outside the Google app, check the box next to "From any screen" or "Always on."
6- Follow the instructions to teach Google what your voice sounds like.

Optional - How to use voice search in Youtube:
1- Open the Youtube app, or hold the mic and say, "OK Google, Open Youtube".
2- Select the magnifying glass icon in the top left corner of the screen, hold the mic button down and use your voice.

Optional - How to use voice search in SPMC:
1- Download and install SPMC - http://spmc.semperpax.com/
2- Install your fav addons.
3- Voice search works by doing the following (Works with any addon):
*Method 1 - By pressing the key assigned to < ContextMenu >. This can be assigned to the Wetek Core's mic button by using http://kodi.wiki/view/Add-on:Keymap_Editor.
*Method 2 - By clicking the "IP" button on the on-screen keyboard.