Common English Mistakes or Common Mistakes in English Usage is a free Android application developed by mobiobject, falling under the Education & Reference category. The app aims to help users avoid common mistakes in English usage, improving their confidence while speaking and writing in English.

The application is carefully categorized, making it easy for users to understand the mistakes they may be making. The categories include Confused Verbs, Wrong Prepositions, Confused Nouns, Confused Prepositions, Misuse of Infinitive, No Plural, Omission_of_Prepositions, Translation mistakes, Unnecessary the, Incorrect Omissions, Miscellaneous, Tips, and Common Spelling Mistakes.

Overall, Common English Mistakes is an excellent application that can help users avoid common mistakes in English and improve their language skills. The app is also useful for those preparing for various competitive examinations.