make core gameplay understandable for anyone -What’s the main character? -What’s the purpose? -What’s the control? (Better to make user understand the above questions after watching your video in 5s)
2. Avoid having any black edge in the video; 3. At starting point
or first 1-2s in the video, should directly show player’s continuous control; 4. Different color, different stages, and different camera angle, win/lose situation are preferred to have;