Nokia 8110 4G comes with 512MB RAM and 4GB internal storage. Hence, just like your Android phone, it has phonebook with unlimited storage.
Yes, Nokia 8110 4G does have the support for the Facebook App.
Yes, Nokia 8110 4G does have the vibration alert.
Yes, Nokia 8110 is made of Polycarbonate material, which does not allow power transmission and thus it makes a shockproof mobile phone.