These are in the file, and parsed when initializing the app, but not used for the rpc. It seems important to see the initial distribution of coins.

https://github.com/tendermint/tendermint/blob/master/rpc/core/types/responses.go#L19-L21

https://github.com/tendermint/tendermint/blob/master/types/genesis.go#L26-L31

Maybe it is as simple as adding and exposing app_options?