Easy to use, friendly UI.
However, loses state when modal focus is lost (eg. clicking on a page to, say, copy an address). If fixed, I'd give 5 stars.

Extension reports as corrupt when attempting to install. Fix this.

i havent experienced it as it wont load

It would be nice to import first wallet with private key also, not only seed. Also can you implement to autoscan for tokens and add them automatically? So I dont have to manually add all my 35 tokens :) Then it would be 5-stars

Umnable to install MetaMask using Firefox browser on Mac OS 10.13.1. Error message saying the file is corrupt.