About Valentine 3D Mahjong GameValentine 3D Mahjong is a 3D Mahjong Solitaire game themed after Saint Valentine's Day. Players can choose to play 40 levels consecutively in either timed or untimed mode. Select identical open stone pairs to remove them from the stack. A stone is considered open if it has at least 2 consecutive sides exposed (not counting the top and bottom). Tap an open stone to select it and then tap an identially matching open stone. Open stones appear in a bright yellow color when selected until they are matched off. The selected stone also appears in the upper left corner of the screen. You can match stones from opposing sides of the stack. Tap the background of the screen and pan side to side or use the turn buttons to turn the stack. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.