Welcome to the eG Forums, a service of the eGullet Society for Culinary Arts & Letters. The Society is a 501(c)3 not-for-profit organization dedicated to the advancement of the culinary arts. These advertising-free forums are provided free of charge through donations from Society members. Anyone may read the forums, but to post you must create a free account.
It would appear that there are two dishes. The red rice which @liuzhouit's familiar with and it's not dependent on anything other than the rice it's self and tomato rice which appears to be a dish belonging to the Vietnamese diaspora. Sort of like Chinese food and Chinese Canadian food?