"Did you know?" is a free lifestyle app developed by Fundroid3000 for Android users. This app is an excellent source of knowledge and entertainment with over 14,500 amazing facts grouped into 25 different categories. Share the facts with your friends using various known applications, and bookmark your favorite facts to quickly browse through them later.

The app offers two modes of reading facts, smooth swiping to the left or right, or flipping like book pages. Additionally, "Did you know?" remembers the last read fact so that you won't have to start from the beginning. The app also provides favorite and read statistics and has a simple, beautiful, and comfortable UI. A tutorial is provided, which makes it easy to use the app.

It's worth noting that to share a fact on Facebook, you only need to paste it on the Facebook app window when it opens. Overall, "Did you know?" is an excellent app for anyone who loves to learn new and exciting facts and wants to share them with others.