I downloaded it from Sai and it said this
INSTALL_PARSE_FAILED_NO_CERTIFICATES: Failed to collect certificates from /data/app/vmdl193818365.tmp/1.apk: META-INF/BNDLTOOL.SF indicates /data/app/vmdl193818365.tmp/1.apk is signed using APK Signature Scheme v2, but no such signature was found. Signature stripped?
INSTALL_PARSE_FAILED_NO_CERTIFICATES: Failed to collect certificates from /data/app/vmdl193818365.tmp/1.apk: META-INF/BNDLTOOL.SF indicates /data/app/vmdl193818365.tmp/1.apk is signed using APK Signature Scheme v2, but no such signature was found. Signature stripped?