I Was Scammed By This Broker

I'm happy to find this lovely app please I was introduce to this Broker called EFX Sometime Last Year By Someone That If I Invest After A Little Time But To My Suprice I The App Stop Working I can access my fund my hard earn Mo7is goone Please help me when I told the person that introduce it to me he said he also lost his Money as well Please help let people be a where of this fake app.