45 দিন ইরজ ভষ শকষ 4 is an Android application developed by Friend IT, available for free in the Education & Reference category. The app is designed to help users learn spoken English in the easiest way possible. It consists of 45 lectures, each covering a specific topic related to English grammar and vocabulary.

The app teaches users how to find answers to questions, understand the opposite of a question, and how to say "yes, I can" in English. The lectures are presented in a humorous way, making it more engaging for users to learn. The app is perfect for anyone who wants to learn English from scratch or improve their existing skills.