OP1.fun app - not working with Catalina

Hi all, is anyone using eh OP1.fun app with Catalina 10.15.4? Doesn’t work for me, keep getting an error -47 ‘can’t be opened’.

TIA

Hey! Did you ever figure out a solution to this? Running into the same problem right now. Installed the app, ran it once then it crashed and now it won’t open agian. Lmk thanks