There's an API call (SetIpForwardEntry) to do it, so presumably it's possible. It doesn't sound like there are any built-in tools, however, to manipulate the routing table.
There was, apparently, a utility called PocketCMD that contained, amongst other useful utilities, a route command that apparently worked. The official download link for PocketCMD is dead now, but you may be able to locate it by Gooogling around for it.
There's an API call (SetIpForwardEntry) to do it, so presumably it's possible. It doesn't sound like there are any built-in tools, however, to manipulate the routing table.
There was, apparently, a utility called PocketCMD that contained, amongst other useful utilities, a
routecommand that apparently worked. The official download link for PocketCMD is dead now, but you may be able to locate it by Gooogling around for it.