Never download any file claiming to be “iOS 9 signed zip for Android” from non-official sources. Google blocks these because they violate security policies.
: A complete replacement for your Android OS (like a heavily modified version of LineageOS) that mimics the iOS 9 UI. Download ios 9 signed zip for android
Go to Google Play Store → Search the launcher name → Install → Open → Set as default home. Never download any file claiming to be “iOS