At the moment there are two game versions available: Offline and Online. To choose online version, you need to go to Friends → Invite more friends → сhoose Facebook tab → сonfirm the connection to Facebook.
To play offline you should enter the game without Internet connection, and choose to play Offline version. Currently, there is no way to play both versions at the same time. You need to choose which version suits you. Please note that gifts and friends are the features available only in the online version. In the offline version you have friends in PvP only. Keep in mind that to play it online you need to have an account on Facebook.
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