When you enable the Follow GPS function in the left main menu, GPX Viewer will continuously align the map position so that the current GPS position is located on the lower part of the screen. This alignment is a default setting for GPX Viewer because when used together with the enabled Rotate map function in the left main menu, GPX Viewer can be used as simple navigation as you will see more of the track in front of you. However, this behavior can be changed so that this current GPS position will be aligned with the center of the screen. You can do this by following the steps below.