Muslims pray five times a day. The prayer is not bounded to a specific place. One performs the prayer wherever one finds his or herself, so it often takes place in public space, which is not at all times very practical, depending on your surroundings.
So from my own experience with the lack of ideal surroundings arose the need to create a space for my daily prayers; A temporary space, which would provide private space and at the same time a sacred sense. From this point I started my quest for the right atmosphere and practical mobility.