If you are writing a research paper, article, or project on this topic, you should shift your search to academic subjects handling the mechanics behind it. Recommended Academic Topics to Search Instead
Google Scholar (Search for: "Android repackaging detection" or "malware in modified APKs" ) IEEE Xplore (Search for: "mobile app reverse engineering" ) Hilelimodapk
ACM Digital Library (Search for: "static analysis of Android applications" ) If you are writing a research paper, article,