SubtitlePlayer is an Android application developed by vinczeg that plays srt file format subtitles. This app is a lifesaver for deaf people who go to the cinema and the movie is not subtitled, especially for 3D movies. It's also great for couples of different languages who want to watch TV together. The application is free of charge and available on the Google Play Store.

SubtitlePlayer has an easy-to-use interface and comes with a variety of features. The last active subtitle is highlighted, and the actual subtitle is magnified and overlayed for seconds. The file content is scrollable, and you can seek in time forward and backward with a configurable seek period. Moreover, the app vibrates on subtitle change, and the vibrate length is configurable. You can also seek to the previous or next subtitle and reset (seek to beginning and stop). Additionally, you can set the brightness, and it handles any type of file encoding that the Java VM handles. Lastly, it remembers the last opened file attributes, such as encoding and seek position.

Overall, SubtitlePlayer is a must-have app for deaf people and anyone who wants to watch movies or TV shows with subtitles. With its user-friendly interface and a variety of features, this app is a game-changer in the world of subtitles.