Most Indians used sama millet and not the flour in the cooking. The sanwa millet is soaked and then used in Indian cooking. As in the case of Sanwa Dosa. 
Sama is like rava and used as is. In the case of sama we normally need to soak and use it. Hence there is no need to grind sama into a flour.
Benefits of Sanwa Millet flour, Sama, Barnyard Millet
Sanwa Millet flour (Sama, Barnyard Millets) : Like most millets, sanwa millet flour is also high in protein. Moreover, sanwa millet flour has the least calories and carbs as compared to other millets like jowar, bajra, ragi. With a good amount of fiber, phosphorus and magnesium, there is no reason for heart patients to avoid this millet. It will keep a check on your cholesterol levels and blood pressure both. Small amount of same should be had by diabetics. See detailed benefits of sanwa millet.
See here for sanwa millet recipes.