In your home, reduce any glare from windows or synthetic lights, but maintain the lights vivid more than enough you can begin to see the keyboard as well as your surroundings. The app is nice. It's got every thing I need. On the other hand, the advertisements are Tremendous troublesome. https://martintocsg.tinyblogging.com/the-smart-trick-of-case-help-that-no-one-is-discussing-80406651