Blocsapp is so much better than it used to be - yay - but still there remain items I can select but not delete.
For example, today I failed to delete a divider line that I added and also tickbox in a form (so that I had to remove the whole form and start again).
I'm sure there are more elements with issues. I don't know why it's an issue for some things and not others.
On the control side, lists sometimes seem to have a life of their own. my navigation list is set to be horizontal and it's still vertical.
In general blocasapp is getting easier to use, for sure.
Thumbs-up Norm, with a bit of cursing thrown in.