SAN FRANCISCO, 2015-9-11 — /EPR Retail News/ — Apple® today announced iPhone® 6s and iPhone 6s Plus, the most advanced iPhones ever, adding a powerful new dimension to iPhone’s revolutionary Multi-Touch™ interface. The new iPhones introduce 3D Touch, which senses force to enable intuitive new ways to access features and interact with content. iPhone 6s and iPhone 6s…