Offers various versions, including v1.1.16 , which is compatible with Android 5.0 and above.
Downloading a legitimate "TouchWiz Home" APK for Android 5.1.1 Lollipop is highly discouraged and largely impractical today. samsung touchwiz home lollipop 5.1 1 download
If the official APK doesn't install due to signature mismatches or device incompatibility, these launchers offer a similar "Galaxy" experience: Offers various versions, including v1