Chinese Pinyin Trainer Lite is an Android application developed by trainchinese under the Education & Reference category. It is a free application aimed at helping beginners and long-time students of Mandarin Chinese to master the tonal nature of the language, which can often cause confusion and embarrassment.

The application uses Pinyin, the standard romanization system for Mandarin Chinese, to help users master the sounds of the language. It contains almost 2,000 high-quality audio recordings and a variety of question-and-answer methods to improve users' listening skills. Moreover, it includes a complete guide to reading Chinese with the Pinyin system built right in. The application allows users to train both Chinese tones and Pinyin "initials" sounds, making it easier to distinguish between commonly-confused words. It even features a tone sketching mode where users can answer tone questions by drawing Pinyin tones with their fingers!

Overall, Chinese Pinyin Trainer Lite is a must-have application for anyone looking to learn or improve their Mandarin Chinese language skills.