I'm not going to setup parental controls for Aunt Marge but sure as hell she'll call me when she installs spyware/malware and wants my help in fixing the proble

I'm not going to setup parental controls for Aunt Marge but sure as hell she'll call me when she installs spyware/malware and wants my help in fixing the problem. I know that's the result of multiple app stores if a trusted entity can't/won't police them.