diff --git a/src/plugins/touch/touch.js b/src/plugins/touch/touch.js
index f0ed49696..d0775db26 100644
--- a/src/plugins/touch/touch.js
+++ b/src/plugins/touch/touch.js
@@ -15,43 +15,81 @@
 ( function( document, window ) {
     "use strict";
 
-    // Touch handler to detect swiping left and right based on window size.
-    // If the difference in X change is bigger than 1/20 of the screen width,
-    // we simply call an appropriate API function to complete the transition.
+    // Touch handler to detect swiping left and right, up and down based on
+    // window size.
+    // If the difference in X or Y change is bigger than 1/20 of the screen
+    // width or height, we simply call an appropriate API function to complete
+    // the transition.
     var startX = 0;
+    var startY = 0;
     var lastX = 0;
+    var lastY = 0;
     var lastDX = 0;
-    var threshold = window.innerWidth / 20;
+    var lastDY = 0;
+    var thresholdX = window.innerWidth / 20;
+    var thresholdY = window.innerHeight / 20;
+
+    var triggerKeyboardEvent = function( el, eventName, detail ) {
+        var event = new KeyboardEvent( eventName, detail );
+        el.dispatchEvent( event );
+    };
 
     document.addEventListener( "touchstart", function( event ) {
         lastX = startX = event.touches[ 0 ].clientX;
+        lastY = startY = event.touches[ 0 ].clientY;
     } );
 
     document.addEventListener( "touchmove", function( event ) {
          var x = event.touches[ 0 ].clientX;
-         var diff = x - startX;
+         var y = event.touches[ 0 ].clientY;
+         var diffX = x - startX;
+         var diffY = y - startY;
 
          // To be used in touchend
          lastDX = lastX - x;
+         lastDY = lastY - y;
          lastX = x;
+         lastY = y;
 
-         window.impress().swipe( diff / window.innerWidth );
+         window.impress().swipe( diffX / window.innerWidth );
      } );
 
-     document.addEventListener( "touchend", function() {
-         var totalDiff = lastX - startX;
-         if ( Math.abs( totalDiff ) > window.innerWidth / 5 && ( totalDiff * lastDX ) <= 0 ) {
-             if ( totalDiff > window.innerWidth / 5 && lastDX <= 0 ) {
+     document.addEventListener( "touchend", function( event ) {
+         var root = event.target;
+         var totalDiffX = lastX - startX;
+         var totalDiffY = lastY - startY;
+         if ( Math.abs( totalDiffX ) > window.innerWidth / 5 && ( totalDiffX * lastDX ) <= 0 ) {
+             if ( totalDiffX > window.innerWidth / 5 && lastDX <= 0 ) {
                  window.impress().prev();
-             } else if ( totalDiff < -window.innerWidth / 5 && lastDX >= 0 ) {
+             } else if ( totalDiffX < -window.innerWidth / 5 && lastDX >= 0 ) {
                  window.impress().next();
              }
-         } else if ( Math.abs( lastDX ) > threshold ) {
-             if ( lastDX < -threshold ) {
+         } else if ( Math.abs( lastDX ) > thresholdX ) {
+             if ( lastDX < -thresholdX ) {
                  window.impress().prev();
-             } else if ( lastDX > threshold ) {
+             } else if ( lastDX > thresholdX ) {
                  window.impress().next();
              }
+         } else if ( Math.abs( totalDiffY ) > window.innerHeight / 5 && ( totalDiffY * lastDY ) <= 0 ) {
+             var detailUp = {'bubbles':true, 'cancelable':true, 'key':'ArrowUp', 'keyCode':38};   // ArrowUp
+             var detailDown = {'bubbles':true, 'cancelable':true, 'key':'ArrowDown', 'keyCode':40};   // ArrowDown
+
+             if ( totalDiffY > window.innerHeight / 5 && lastDY <= 0 ) {
+                 triggerKeyboardEvent(root, 'keydown', detailUp);
+                 triggerKeyboardEvent(root, 'keyup', detailUp);
+             } else if ( totalDiffY < -window.innerHeight / 5 && lastDY >= 0 ) {
+                 triggerKeyboardEvent(root, 'keydown', detailDown);
+                 triggerKeyboardEvent(root, 'keyup', detailDown);
+             }
+         } else if ( Math.abs( lastDY ) > thresholdY ) {
+             if ( lastDY < -thresholdY ) {
+                 triggerKeyboardEvent(root, 'keydown', detailUp);
+                 triggerKeyboardEvent(root, 'keyup', detailUp);
+             } else if ( lastDY > thresholdY ) {
+                 triggerKeyboardEvent(root, 'keydown', detailDown);
+                 triggerKeyboardEvent(root, 'keyup', detailDown);
+             }
+
          } else {
 
              // No movement - move (back) to the current slide