Sellers ← Knowledge Base How can I promote my app? Certificate key: I'm selling my Android app and I have the same certificate key for all of my apps. How am I protected? App feature: How do you decide which apps will be featured on the homepage? Code documentation: Am I required to provide code documentation along with my app? Free and paid apps: If I have multiple versions of one app (ex: one paid and one free), do I have to sell all of them? Multiple Platform Apps: If I have an app both on iTunes and Google Play, can I just sell one? App bundles: How do I bundle more than one app in a listing? App stats: What do I do if the stats associated with my account are not showing up correctly? Syncing Accounts: How long does it for my developer account to sync with the listing? Selling an app: Can I sell an app that isn't yet listed on Google Play or the iTunes App Store? Updating app listing: How do I alter my information in my listing? Adding account details: Why do I have to add my iTunes and Android login details and how am I protected? How do I add and sync my external account?