I\'ve searched and searched and can\'t seem to find any info in regards to this...
We have a facebook page (facebook.com/companyname). We also have an app on facebook (a
as on Nov 17th, 2017.
App page itself is a category, selecting this category would be the only option. Also, Fb App name and Fb Page name must be the same for integrating existing page.
@Muhammad Javeed - Thanks to you, I finally figured this out!
For those who need a little help, this was what I did.
Unless Facebook changes the menu/settings page dramatically, I can confirm this works!
You should go to edit your page and change the category to Brands & Products and sub-category to App Page. Then go to app details and select this page as app page.
I have done significant research into this. There is no way to do this (though it's such a common use case where someone already has an active fan page and launching an app later)
Earlier every app used to have a profile page (which was not like fan page) and facebook at the start of the year gave ever app admin to move their likes to another fan page. This option has been removed.
There is another way that I have discovered.
However as someone has already reported, there is a bug in the system, on merging it removes the app link (something that will be fixed soon). Here is the link to the bug.
http://developers.facebook.com/bugs/413029272079414?browse=search_5033475a2a50c9f73780526
Are you talking about adding a tab for your app (apps.facebook.com/companyname) to your existing page (facebook.com/companyname)?
If so, then go to your page (facebook.com/companyname) and in the URL type in
"https://www.facebook.com/dialog/pagetab?app_id=[YOUR_APP_ID]&next=[YOUR_APP_CANVAS_URL]"
That should automatically direct to a form asking you which 'page' you would like to add a tab to. Select the page from the drop down list and click ok. That should redirect you to your app canvas url. Navigate back to your company page and see if the tab appears at the bottom of the list on the left hand side.
Cheers.
Create a second Page on App Advance Settings. Now go to the other first Page Settings you have and Merge.