SEO Backlink Tool by LXR Marketplace is a free app designed for Android users to track and analyze backlinks for any website. The app helps to determine the quality of backlinks by analyzing the number of quality sites linked to a website. This app is a useful tool for Search Engine Optimization (SEO) as search engines use the number of quality backlinks to determine the website's overall Page Ranking.

The app is user-friendly and easy to use. To get started, simply enter the URL of the website you want to analyze, and the app will display all the incoming links to that URL from across the web. The app provides detailed backlink information, including the referring URL, the referring URL rating, anchor text, whether or not it is a "no follow" URL, and the date the link was last checked. You can also download a report for the top 100 backlinks sorted by rating.

Overall, SEO Backlink Tool by LXR Marketplace is a great app for website owners and SEO professionals who want to improve their website's rank on search engines. The app is free and easy to use, and it provides detailed information on all incoming links to a website.