the following variations are provided in this version: -Gesture Type 1 : TAP on the screen Type 2 : a SHORT SWIPE in any direction on the screen Type 3 : DOUBLE TAP on the screen -Transition 1 : The whole screen changes color immediately, then a high contrast color line will scan from L to R. 2 : Color changes with a linear transition from L to R on BLACK screen. 3 : Double colors change. The first color extends from the left side to the centre, then the second color from centre to the right side on BLACK screen. Presented by Ebenezer School & Home for the Visually Impaired.