Accessibility
The Android accessibility apps for the partially blind, blind, Visually impaired, Low vision, hard of hearing, deaf, and Hearing impaired. An Android phone or tablet can improve the life of those of us with these handicaps.
Features such as TalkBack, Voice access, Magnification, Font and image size, Volume amplifier, braille keyboard, and Live Transcribe.
These all make your Android device more accessible for those of us with vision or hearing impairments.