I have used this LCD and have gotten it to work with a tutorial here.
https://www.amazon.com/gp/product/B01GPUMP9C/ref=oh_aui_detailpage_o09_s00?ie=UTF8&psc=1

This is how I got it working with the LCD
https://wiki.onion.io/Tutorials/Python-I2C-LCD-Display

You will need to get an expansion dock, power dock or mini dock or ardruino dock to really make it easy to work with. If you didnt, you can order one from the indygogo campaign.