Startup Idea: Mobile Texting Solution for Large Fingerd Users

Startup idea to develop a mobile software application or feature that aids people with larger fingers in texting with fewer mistakes, or create a voice-assisted texting solution.

I have a hard time using my phone because of my large fingers. I'm not sure if there is already a solution but something to make it easier for me to type without having to hit the wrong buttons because of my large fingers. or make like a siri for texting.