updated a5 to home screen + 2 additional screens
updated a5 to home screen + 2 additional screens


Former-commit-id: 905a1039a43d671f5353966c1011d4bc839a6bd3
Former-commit-id: 6d9c0a8349574e61284e502904b4ba26915de6d9
Former-commit-id: c4e07d80493544487bc72de857bc4cfe3abab6c4
StanfordHCI/cs247,StanfordHCI/cs247,StanfordHCI/cs247