Things are still rough around the edges, but it looks like there's plenty of mature functionality in the middle. This looks like the most promising approach I've seen for game development for android and HTML5.
The GTD book says to use your calendar only for things you have to get done at a specific time. But modern calendaring tools manage several calendars. I have one or two Google calendars that I use for real appointments, but after trying lots of alternatives, I ended up using another Google calendar as my projects list.
In my teens, I wrote a Tron work-alike called Light Runner in assembly for the Color Computer; I even got Prickly Pear Software to release it commercially. I can't find my source code, but I have a copy of the product on cassette tape. I didn't quite get it restored to working order, but I had some fun trying.
I'm a family man, which gives a certain perspective on the KC area,
the world we live
Between all that, I like to tinker. The bane of my existence is doing
things I know the computer could do for me. Have you ever had one of
those ideas that won't let go, not even to eat or sleep? My mom said
the first time she saw me like that was after they gave me tinker-toys
for my 3rd or 4th Christmas. She said I was in "mad scientist mode,"
just like my father, a chemistry professor.