RAGAS GAMES' English Grammar Skills app is the perfect tool for those looking to improve their English language skills. This free app covers a wide range of grammar topics, with a trivia-themed game that includes over 740 vocabulary questions. The app is designed to help users test their knowledge of the English language and improve their writing and speaking skills.

The app includes eight categories, with tens of grammar exercises and hundreds of questions that help users improve their English skills. The categories include Confusing Words, Irregular Verbs, Plural Nouns, Has-Have-Had, Modals, Question Tags, Do-Does-Did, and Am-Is-Are. More categories are expected to be added in upcoming releases.

One of the benefits of this app is that it can be used completely offline, with no internet required. It's a great tool for anyone looking to improve their English language skills, whether for conversational purposes or for academic or professional reasons. The app is completely free to play, making it accessible to anyone who wants to improve their grammar skills.