Which one?
The best way to change things is to open issues on the implementation you're look at on github, and specify exactly what you don't like there. I've been opening issue en masse for a week or two now.

We're going to see some good changes there in the following weeks and months.
The targets we have for Q2 roadmap is Super Usable web wallet, and Useable cross-platform Desktop wallet.

What we have right now is usable only if you know what you're doing ... and this is definitely far from where we want to be in three months. Your feedback is welcome!