: You must go to your phone's security settings and allow installation from "unknown sources" or your web browser.
A legitimate APK is signed with a developer certificate and can be verified through checksums (MD5, SHA-256). No reputable database—such as VirusTotal, APKMirror, or Google Play—contains a record of kkmoom.com or An99.apk . Security researchers often test suspicious strings against these services; the absence of any legitimate signature or known hash indicates the file is either newly created malware or an abandoned test package. In either case, the risk-to-reward ratio is unacceptable. Http- Www.kkmoom.com An99.apk
: Be wary of apps that ask for excessive permissions (like contacts or SMS) that are not necessary for a simple camera viewer. Safer Alternatives : You must go to your phone's security