Simply put, NEO can be called Chinese Ethereum. If Ethereum is Apple, NEO is Samsung. Compared to Ethereum, NEO claims that their smart contracts work better due to their high scalability, interoperability and interconnectivity. Smart contract developers are able to write code in JAVA, C/C # and GO, rather than learn new programming languages like Solidity. According to devs, this approach makes NEO a more attractive platform for developers.
At the moment, NEO is in the top-20 by market cap (you can call it mid-cap sh*...altcoin 😉). This means that quite a large number of people trust this platform, and I'm not only talking about China. NEO technologies are of interest to people from many other countries.
NEO devs hope to overcome Ethereum in terms of the number of users, which, in my opinion, is quite ambitious. As of real expectations about their ambitions - I will not promise anything. I can only say that at the moment, any 3rd grade smart-contract platform can envy the देखें पूरी समीक्षा