Irregular Verbs is an Android application developed by Jose Rigol. It is a free educational program that provides an easy and efficient way to learn English verbs. The app groups similar words together to help users memorize them quickly. It also offers a test section where users can type in the answer or select it from a multiple-choice list.

One of the best features of this app is that all verbs come with sound and a phonetic transcription. This helps users to improve their pronunciation skills. The optimized user interface works well on both handsets and tablets. Additionally, the app is available in several languages, including English, Russian, Arabic, Chinese, Czech, Dutch, French, German, Greek, Hebrew, Hindi, Italian, Japanese, Korean, Polish, Portuguese, Spanish, Turkish, and Ukrainian.

Overall, Irregular Verbs is a helpful app for anyone who wants to improve their English language skills. It is user-friendly, free, and easy to use.