Just the regular Oculus app - but I'm not able to get past the forced update. It just sits there. The only way I can get into the app is if I put my Galaxy s10 plus in airplane mode, start the app, I get in, then I turn airplane mode off. This gives me a little time to set up screen casting and whatever else I need to do. Then inevitably it forces the update again. It really sucks, because they've essentially ended support. Sucks.