Ahh, I missed this one as was checking on your blog to see if you'd written a post.
This is new to us also, but if you post into a community (OCD is a good start!) then the post doesn't appear in your 'own' feed, where I was looking.
You can 'Resteem' it to there though with
In hindsight, I could have checked your 'Posts' - still learning the new interfaces changes!
As far as your question on dapps, there's a decent starting point here and not just for Steem.
https://www.stateofthedapps.com/platforms/steem
I play steemmonsters, occasionally post to actifit, but am really hoping that SMT light a fuse of new apps and ideas. They will hopefully be coming in a few months time.
Welcome :)