It's up to one's point of view, for me it might be a hidden gem but I'm not sure you'll like it, so finding hidden gems should be based on your own research. I will only give you one piece of advice; if you want to find hidden gems that are taking the market by storm, such as the apt, use Twitter to do your search. It can be said that all new projects, potential, information, most are updated and shared on it, must say twitter is the place for you to update and exploit the best market we have. Now there are also a number of potential projects evaluated that will be like aptoss that you will find on it.