It doesn't save any of the skins? – Free Skins for Minecraft PE (Pocket Edition)- Newest Skins app for MCPE Review

I've tried to pick the skins I'd like, but it won't save and keep says internet is off, even though I am connected.
Review by Bushy bushes on Free Skins for Minecraft PE (Pocket Edition)- Newest Skins app for MCPE.