Moderators of the forum are not handling or intervening scam accusations, it is up to the community to detect and report scam accusations to warn each other.

I gave a look at your case, just some preliminary DD so it is not conclusive whether the project is legit, scam, or has a tendency of rug-pulling, but some elements of the project is verifiable. Their WP is not found to be plagiarizing from other sources, their team can also be traced back to each other's LinkedIn profile, all except one that's probably due to a broken link.

One thing that I'd like to be able to verify is their company license. According to google play their app is developed by "SBG Tech PTE Ltd.", however I can't check the registration of this company as Vietnam's Registry checker website is loading at a comatose-snail pace.