Sextionary is a free Android app developed by Incelligence Inc. It is a comprehensive dictionary of sexual words, phrases, and expressions. The app is designed for anyone who wants to learn more about human sexuality.

The app's user interface is simple and easy to navigate. It contains a vast collection of definitions that cover a wide range of sexual terminology. The app is regularly updated to include new words and phrases. The app is perfect for anyone who is curious about sexuality or wants to explore new aspects of their sexuality.

Overall, Sextionary is a must-have app for anyone who is interested in learning more about human sexuality. The app is free, so there is no reason not to download it and start exploring today.