Yes exactly. It's more of a way to make use of many of the other pre-existing functions of the smartphone without having to have a purpose built device. Althoug

Yes exactly. It's more of a way to make use of many of the other pre-existing functions of the smartphone without having to have a purpose built device. Although there is at least one hardware addon i'm aware of for blind users: https://www.iamhable.com/en-am https://www.iamhable.com/en-am