As someone said, a prequel, interquel or spin-off would be better. Also, I think Monolith Soft is working on something for 3DS. This could be Project X Zone, that was developed by them (alongside with Banpresto), but I'm not sure.
Source: http://www.siliconera.com/2012/02/22/xenoblade-developer-monolith-soft-hiring-staff-for-new-3ds-project/







