Isn't Ndrive available for free in your region? AFAIK it' should be avaialabe for free for samsung devices. search in samsung apps.
besides you can try search for Ndrive Voucher only in play store too. it should work on samsung devices.
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?