UI Developer Interview Q&A is an Android application created by Vigo Webs that aims to help freshers and experienced developers in preparing for their interviews. This app contains more than 275 frequently asked questions with answers and coding examples in various categories such as HTML5, CSS3, Bootstrap and Responsive web design, Javascript, jQuery, AngularJS, and NodeJS. The questions in this app are collected from people who attended UI Developer Interviews and Front End Developer Interviews.

The app is easy to use and doesn't require an internet connection. The answers provided in the app are clear and concise, and most of them include example codes. Users can add their favorite questions to the Bookmark page by clicking on the star icon next to the question. They can also visit the bookmark page to quickly revisit their bookmarked questions. Searching for any question in the app is quick and easy, and technical words are highlighted to differentiate them from other words.

The app is free to download and use, and it will be updated frequently. The developers encourage users to give feedback and suggest any improvements they would like to see in the app. Overall, UI Developer Interview Q&A is a comprehensive interview preparation app that can help users crack their UI developer interviews and land their dream job.