Please hold on a bit more (...apart from the fact that we can search videos from the official youtube app and then share them to YTD...)
I now have a fairly good development version with the brand new search feature that is correctly working. It dumbly uses the youtube web page for searching. It's almost done. I just need to take care a bit more about some errors handling and about filtering results. As always the biggest problem is the free time (job, family, ... etc).
I know, it looks exactly the same, but believe me; there's the new stuff under the hood:
(Chuck lives )