Type anything — the ocean, state capitals, volcanoes, chess. If it isn't in the library yet, you can build it yourself in about a minute.
— isn't in the library yet — so make it yours. Type at least 8 words about it, one per line. They get saved on this device and show up as a theme from now on.
Drag across letters to select a word. Works with a mouse, a finger, or the arrow keys.