HG-110 Custom smart banner

https://wikia-inc.atlassian.net/browse/HG-110
https://wikia-inc.atlassian.net/browse/HG-215

Related to https://github.com/Wikia/app/pull/5385
Every phone I've tested opened it in the native store app so for me it didn't make any sense to open new tab. Do you think we should open it anyway?