Sentence building

Joystick compatible. Needs to work with all phones, iPads, tablets, laptops.. This is more educational than it is a game. I need lots of options. QWERTY board, along with a wide variety of nouns, verbs, adjectives, and adverbs. Also an option to add in words that aren’t already present. Predictive text. Program needs to read sentences out loud.
To select words/letters hold joystick over character still for three seconds.