Yes it's very safe your bitcoin in this sites. But you try another one. Xapo. You can download on Playstore if your phone is Android and if your phone is IOS you can download also in Apple store. Because It is true that some countries have banned or restricted the use of bitcoin, but fortunately the internet technology does not know frontiers and there is no way to prevent us from use bitcoin. Because bitcoin is the best way to earn a money without spending a real money.