Mouse works too: click a square to open it, use the Reveal answer / Back to board button to move on, ✕ to back out. Progress autosaves in this browser after every change, so closing or refreshing the page picks up where you left off.
Hosting? Open the answer sheet on your phone at bollyquiz.com/quiz-1/answers so you can judge without turning round to the TV.
This puts every tile back on all three boards and reshuffles the lists. Save a backup first with S if you might want this session back.