Harmonium Guru is a free Android app developed by TueSpot Solutions Pvt Ltd, designed to help users learn Indian classical music, western music, folk music, harmonium, and keyboard in an easy and proper way. The app offers a range of features including Alnkaar, Thaat, Taal lessons, Raag lessons, Bollywood song practice, Bhajan practice, and Gazal practice. The app is founded by Gurpreet Singh, who aims to provide quality music education to interested students.

The app is perfect for beginners who want to learn music theory and practice on their own. The app provides step-by-step instructions and video tutorials to help users understand the concepts and techniques. The app also offers online classes for interested students, which can be accessed by contacting the developer via WhatsApp or email. However, the app lacks interactive features and feedback options, which may be important for advanced learners.

Overall, Harmonium Guru is a great app for beginners who want to learn Indian classical music and harmonium. The app is easy to use and provides quality education, making it a great choice for music enthusiasts.