Google TalkBack is a wonderful app for blind and vision-impaired peoples. In-fact, even for a normal eyesight, it can be a useful app if you want to do a eye-free operation of your phone. Many peoples are not aware of it although it is available in your phone. It come pre-installed in Android platform. Nevermind if you don't have it, you can it at play store
With TackBack enabled, touch will be disabled and you will have to tap or move your finger to an icon for device to identify which app it is. Name of app will be spoken by the device. You need to double tap to open the app. If you hear nothing clicking any where just move your fingers around and your device will give spoken, audible, and vibration feedback as per the movement.
It may get tricky to operate with TalkBack ON. Please go through the interactive teaching manual presented thoroughly when turning ON the app.As per the information available at play store,
"TalkBack is an Accessibility Service that helps blind and vision-impaired users interact with their devices. Talkback adds spoken, audible, and vibration feedback to your device. It is a system application that was pre-installed on most devices and is updated when the accessibility service is improved. For help with Talkback, see: https://support.google.com/ "
Here is how to turn it ON:
Go to settings--> Accessibility --> TackBack and turn it ON
Please note that it can be tricky how to disable the TalkBack once you have have switched from setting menu to somewhere else, say home-screen. Sometimes peoples get frustrated as they don't know how to turn it off.
Don't worry, here is how you can turn it OFF. Its little slow to operate with TalkBack, but you have to understand its made for visual-impaired peoples, giving them way to operate smartphone.
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