This seems to be a typical product made by a sophisticated consortium formed up by The Niigata Industrial Creation Organization, Hitachi, Takei Scientific Instruments Co.,Ltd.and NEDO. The Niigata The Niigata Industrial Creation Organization and Hitachi reportedly provided Takei with exercise methods and robot technology, which they developed as part of a project funded by NEDO. In general "exercise" is "exercise" and it's sometimes boring. Building entertainment functions into the training or exercising process is good for continuous effort of exercising for a long time although it seems to be a matter of cost and performance.
Source: DigInfo TV via YouTube