these terms of service , any supplemental policies and any documents expressly incorporated by reference herein -lrb- including the supercell privacy policy -rrb- , contain the entire understanding of you and supercell , and supersede all prior understandings of the parties hereto relating to the subject matter hereof , whether electronic , oral or written , or whether established by custom , practice , policy or precedent , between you and us with respect to the service .