Hearing impaired and blind e-mail client app for Android
https://arxiv.org/pdf/2205.04802.pdf
https://www.hearingaidknow.com/samsung-deafblind-morse-code-good-vibes-app
https://experiments.withgoogle.com/collection/morse
https://assistivetechnologyblog.com/2019/09/samsung-morse-code.html
https://www.thebetterindia.com/80848/bapsi-arun-mehta-pocket-sms-disabilities-deaf-blind/
https://lighthouseguild.org/smartphone-apps-and-resources-for-people-with-vision-loss-or-impairment/
https://github.com/patrickfav/morseme
https://developer.android.com/reference/android/speech/tts/package-summary