why doesnt my keyboard work when i type

[AC Question]

when i type i cant see the letters it will read letters to me i have a galaxy 5 samsung
its acting weird help also when i try to open a app I have to tap on it 1 time then tap on it 2 times to open the app its always tap 1 and then tap twice to open anything.

 

[B. Diddy]

Welcome to Android Central! It sounds like you have TalkBack turned on: https://support.google.com/accessibility/android/answer/6283677?hl=en&ref_topic=3529932