RMRLock (http://www.handango.com/ampp/store/PlatformProductDetail.jsp?siteId=308&jid=99D69B99AD27D65A5E583AXXDD955XE2&platformId=4&productType=2&productId=167337&sectionId=0&catalog=20&topSectionId=-1) from RMR Software is a small utility for Communicator owners, which will provide a password protection system when you close, open, or leave your smartphone unattended.