Built-in Feature: Android 5.1.1 (Lollipop) - Motorola Moto G

BrailleBack : Screen reading

Displays the content on the screen in braille. The application “Google BrailleBack” must be downloaded and installed from the Google Play Store. BrailleBack requires a refreshable braille display with Bluetooth compatibility to function.

Detailson: BrailleBack : Screen reading
Built-in Feature: Android 5.1.1 (Lollipop) - Motorola Moto G

Large Text : Font size

Increase text size (up to 56pt) in Calendar, Contacts, Mail, messages and more.

Detailson: Large Text : Font size