lol  You are even mention taking surveys to earn some satoshis, it's really boring. Downloading a few unknown applications is a really bad idea, we can't know what we're downloading, an application or a virus, or some background application, ... And every time downloading an such app was a concern, I had to check my personal computer daily  same for phones, but here, it looks like the OP's website is like an offer page. I think it's okay for someone who wants to get some shatoshis every day by phone