>>75458842it's the classic, but jelly is popular all over asia still. boba is the popular commercial product, but jelly cubes with syrup or tea with sliced jelly are pretty common. you can clearly see what it evolved from. in the philippines they serve halo-halo, which is basically a salad of different sweets served over shaved ice. the classic filler item, of course, is jelly cubes.
one natural evolution of coffee jelly and putting jelly in cold drinks is tea jelly. personally, i think little glassy cubes of tea or coffee jelly are far superior to tapioca pearls.