Samsung TTS
com.samsung.SMT
Samsung Text-to-speech service.
Works with applications such as S Voice; translation apps, GPS that require Text-To-Speech (TTS) functionality and reads back text.
WARNING: SOME VERSIONS OF THIS APP ARE VULNERABLE TO PRIVILEGE ESCALATION ATTACKS! It can allow arbitrary RCE as system (UID 1000). Identifier: CVE-2019-16253.