Technical Interview Questions is a free Android app developed by TechSP that provides a great collection of questions to prepare for CS & IT technical interviews. The app has a simple user interface, making it easy for users to navigate and understand the contents. It is a great resource for anyone looking to prepare for interviews, tests, or other ways to improve their knowledge.

One of the key features of this app is its extensive collection of questions covering various topics such as C programming, C++ programming, Java programming, Python programming, HTML5, data structures & algorithms, CSS3, Bootstrap 4, JavaScript programming, PHP programming, Android development, iOS development, Angular JS, React JS, Node JS, Django, SQL, and MongoDB. The app also allows users to bookmark questions for future reference.

Overall, Technical Interview Questions is a great app for anyone looking to prepare for technical interviews in the CS & IT field. It is easy to use, has a great collection of questions, and is completely free.