I guess you wouldn't want to perform any mission critical computation on this type of system, unless you can verify the results you obtain using it are accurate, as I can imagine its fairly easy for people to tamper with your data. But I imagine theres a number of types of tasks it would be really good for.

I'm curious how the technique presented in "Reusable Garbled Circuits and Succinct Functional Encryption" https://eprint.iacr.org/2012/733.pdf could potentially be utilised in such a system. I'm assuming it currently isn't possible due to computation overhead?