Update:
Click here to download the latest HERE Maps Android APK.
Seems, fellas at XDA have somehow managed to locate HERE Beta apk for Samsung Galaxy smartphones, which should be officially out in early October, as promised by Nokia at the time of announcement.
For your info, Samsung licensed HERE Maps to be compatible with its full range of Galaxy devices. Not only existing Galaxy devices will be able to download the HERE Beta apps when Samsung Gear S hits the store, but seems new Samsung Galaxy devices will come with HERE app pre-installed from next month.
XDA members are reporting that the HERE Beta works fine on even non-Samsung hardware. The step-by-step voice navigation, offlline maps download is already present with this version of app.
Thanks Vindo for the tip. Cheers!!