If you just want to play around with a demo, I would first try installing this on top of the 2.0 or 2.1 releases of the Reference Application. (Actually we called these "OpenMRS 2.0" and "OpenMRS 2.1".) E.g. download the standalone of those from https://sourceforge.net/projects/openmrs/files/releases/ and add on this module.
In practice, this module builds against Platform 1.9.7, so to make it work today you would need to do what's described in this wiki page about making a module work on both Platform 2.0+ and below.
(If this modules uses Orders, you'd also need to upgrade it to the new Order Entry API introduced in Platform 1.10. Quickly searching the code I don't think this is an issue.)