He's probably referring to features that are still in the pipeline at this stage. NEM was heavily inspired by NXT and is supposed to have many of the same features that NXT has, such as the asset exchange and the alias system. NEM is still in beta right now so many of these features are still under development and far from complete.

Here is a chart that compares NXT with a few other cryptocurrencies including NEM. It's a bit outdated (as well as being a bit biased towards NXT) but you get the idea:



There are also some features that NEM currently has but NXT lacks, such as proof-of-importance. The opposite is also true; I don't think NEM intends to implement transparent forging or the monetary system.