People usually eat gehu with green chili but gehu also delicious eaten with chilli sauce or tomato sauce. Gehu usually sold together with other gorengan (fried foods) such as bala bala, fried bananas, cireng, fried tempe, comro.
So if you travel to Bandung don't forget to taste gehu and other gorengan to fill your stomach and to relieve thirst you can buy bajigur or bandrek.