The preferred library do display the menu on the ssd1306 oled screen is https://github.com/lexus2k/ssd1306/tree/master/src
* It seems to aim for a reasonable size / speed balance and has some interesting advanced functionality.
* The included *NanoEngine* seems to be reasonably documented https://github.com/lexus2k/ssd1306/wiki/Using-NanoEngine-for-systems-with-low-resources
* A Generic Example can be found at https://github.com/lexus2k/ssd1306/blob/master/examples/demos/sh1106_demo/sh1106_demo.ino
* Since the has hardware scrolling functionality, it might be interesting to use it for menu transitions. This functionality can also be constraint to certain screen areas.
