Introducing the world first android professional app for all eye tests. For eye care specialists, convert your smart phone or tablet or a LED screen to a 4,000$ worth visual acuity examination device. Use it in your clinic, home visits or anywhere you like. Easy to set for screen mirroring on a LED screen or direct installment on your smart TV for bigger view at your clinic. Use another smart phone as a smart remote controller for the tablet or smart TV you use as a projector. The chart size i