It's called "Use your skills and hope the RNG is in your favour."
In other words, have fun (and I mean that sincerely) unlocking the ships again. Do you think you can get the Crystal Cruiser easier this time around than you did on the PC?
At least that's how I saw it. I knew what I was getting into when I bought it for the iPad after playing it on the PC for some time. IOS just sucks in general but dammit you'll keep going back to it.