Impressive demo video as well as samples that include a video demonstration and code on Github for each one.
If you have even the slightest feeling that you would like your own web site you should definitely have one. And not one on Medium or Facebook. (Though they can be useful in addition to a site.)
After a little more than a day with Android the thing I miss most is Tweetbot. The Twitter apps are terrible. I now understand why many people don’t see the value of a microblogging social network. Tweetbot is likely the only reason I can still use Twitter.