The next big feature NEM devs are working on is here.
They have not revealed a lot of details but one of the new features is the ability to create "aggregate transactions" which are sort of like temporary on-chain smart contracts. They posted a screen shot of an example recently:
https://twitter.com/2017Lon/status/903291329777504256ETH does have smart contracts but these aggregate transactions will be MUCH easier and safer to use and are a first of their kind in blockchain tech from my understanding.
hope it will become reality... this is really interesting.
It will surely give a serious boost in the value and use of NEM coin....
thanks for sharing that info.