The eSpeak engine is a small, lightweight text-to-speech (TTS) program that supports a large number of languages. It has a more robotic sounding voice than other engines due to its small size (see. Ogg for an example of what it sounds like).
The download of this application doesn't contain viruses or any kind of malware. Cainteoir Technologies is the creator of the app that is included in the Libraries & Demo category. ESpeak was downloaded and set up by over 1K users and the most recent stable release was on Oct 14, 2015.
The tool has the overall rating 3.6 on Google Play. A lot of users installed this application on their Samsung and Yu devices. You can get the setup package of eSpeak 1.48.15 for free and check out users' reviews on Droid Informer. The app requires Android 4.0 and higher.