Both Igarashi and his partner left their companies .
Igarashi 's partner Igarashi him to Igarashi him in making a new mobile game company , but Igarashi initially refused Igarashi he did not want to work on mobile games .
Both Igarashi and his partner left their companies , and his partner invited him to join him in making a new mobile game company , but Igarashi initially refused as he did not want to work on mobile games .