You’ll gonna need to build the whole project by your own:
However this is pretty out-dated and you might find a lot of trouble building the whole project with latest Xcode / homebrew / macOS etc.
I’m currently working on a fork of the MOE project and try updating some of the documents and make it working with latest dev tools on macOS. If you wish to give it a try, you can find my fork here:
It should be possible to use existing SDK to re-generate the bindings and build a
moe-ios.jar without building the whole project but you might need to modify the build scripts.