This is from the article.
I should note that the Playdate does last a long time in between charges. I’ve left it unplugged for nearly two weeks now, and even though I’ve played a few hours every day, it still has over half of its battery life left.
I also noticed an “Upside Down” mode in the Settings menu, which turns the screen, well, upside down. When asked, Sasser said that this is an experimental mode for left-handed users who want to use the crank with their left hands. He did say, however, that this is feature is still subject to change.