Just a quick piece of feedback for the UI:
In the Cores menu, you have to click on the arrow icon to get the device ID. This threw me off for a while because I kept trying to click on the name: https://www.evernote.com/shard/s180/sh/94f7b3d6-637e-41f4-b0f6-b17da676cd25/26668e66ec6407856cf2e731f31eb5fb
- Jose