Create a discount code for my own app in google play store
51198
Is there a way to give promo/coupon codes for people to download your app for free?
138697
Best way to have paid and free version of an Android app
3670
How to downgrade an app if it has been updated via Play Store?
42103
How do price discounts stack?
59930
How to protect the Apps Script code in a Google spreadsheet?
59700
Use application to rate it on market
106724
How can I download free apps without registering an Apple ID?
136489
Programmatically detect which app store the app was downloaded from
42233
Verify receipt for in App purchase
97852
How to post a link to an android market app?
61498
How can I open a single app by an unidentified developer without allowing all
137499
How can I do development on my Android device?
72549
The Play store link for the beta gives me a 404
113621
Where to store in app purchase data?
18657
Create an application that will expire after a trial period
22299
How do in-app purchases work?
88939
Change Gmail account to make in-app purchase?