I don't often reference AO on my phone, but had this same problem a couple days ago. After the menu disappeared a couple times, I was finally able to make my choice very quickly, but it was not easy to use.
Emily in Central WA
Mom to 4 boys (17yo, 16yo, 14yo, 9yo) and 2 little girls (11yo, 7yo)
AO Years 12, 11, 9, 6, 4 and 2
Mom to 4 boys (17yo, 16yo, 14yo, 9yo) and 2 little girls (11yo, 7yo)
AO Years 12, 11, 9, 6, 4 and 2