Tokens offered in IEO / ICO are Utility or Payments, there are other types of tokens, but not available in IEO / ICO. In this case, the functions are for use within the platforms that offer it, ie purchase of discounted features, restricted access to specific features and so on.
The gains that can be obtained are in valuing these acquired tokens. This appreciation is given by supply and demand from the token listing in global exchanges.
For more information about Monnos IEO, click below: