Sorry for texture bug and no final stats.

You can change the window size at the bottom right corner of the video window. Nuclear icon is full screen mode.

If you watch on speedrun dot com, you can right click the video window and it will show 0.25 0.5 1 1.5 2 those are playback speed you can choose.

If you watch on bilibili, you can see 倍速 (on the left of mute button) it is for changing playback speed. Move cursor on it and it will show the values.