As you can see i got curation 2 times out of 7 in the screenshot. A week ago i got 0/10.

Those are the predicted (coming) rewards, but it would be interesting to see, if you really received a Curation Reward operation after payout (in Account Operations). I'm not sure, if the reason could be that not all nodes are running the fixed version 0.22.1 yet. I will wait till all nodes run the current version and report the issue on GitHub, if it's not fixed then.

So what is the 0.07$ vote value at 100% showing exactly?

It shows that as long as the simulated payout is set to 0, your 100% vote on a post that got no other votes yet (comment for example) is worth ~ $0.07. But keep in mind that (in reality) you always vote the same amount of rshares and your vote's value will go up when other voters vote the same post.