Hello I already developed STT, TTS system in unity 3d games.
my system has stt, tts, accuracy of stt, etc
my game was educational app for learning language. client company removed app in playstore but i can show my game whenever you want.
I have developed 25+ single/mutliplayer games for android/ios/web with Unity3D Working as an office worker and freelancer for 5 years
My backend skills are Nodejs, MongoDB, Vuejs and I have made the game servers with these skills in Amazon.
Also have enough experience to integrate cloud server services like Photon, PlayFab and GoogleFirebase, SNS plugins like google and facebook etc, ADS, IAP and so on and am highly adaptable for many extra engines and toolkits for unity3d.
Please Check my profile
It is hard to share all my game links here because of the limit of characters in the proposal.
If you want more my experience and products, please contact me whenever.
Thanks for your reading.