How to use in-app payment without Google Play?

Question

I downloaded the apk for the app Contacts Optimizer and had it installed via sideload. I would like to upgrade the app to PRO. This is done using an in-app payment. Trying to use this tells me that "Cannot initialize connection to in-app payment server, please try again later." I guess the reason is, because I have no Google App store on my phone. How can I use in-app payment without Google Play?


— Make42 | Sources

Answer

I don't think that Google billing is possible without the Google apps installed. However there are some apps that offer in-app purchase emulation. In most cases they work and in addition you don't have to pay. Lucky Patcher is an app which does in-app billing emulations. However if you are not rooted you need to rebuild the APK in which you want to use emulations and reinstall it.


— user6470140 | Sources

Q & A

Is it possible to install Android app in Ubuntu phone?
How to enable developer settings in android 5.1, instead of LOLLIPOP game
What file system does the format option in settings > storage use?
data/app folder showing wrong folder names
Cyanogenmod 12: How to display calendar events on lock screen?
What is rootfs? Can I make persistent changes to my device's root filesystem?
Cannot uninstall an app from adb
Where should I install Toybox?
How to root LAVA Iris Atom2 which runs Android 5.1
S4 CM 12.1 Problem with GApps
Stay connected to specific Wifi which has no internet
Mount NFS Share in Kodi on Android TV
Back-up Contact before Factory Reset didn't go into vCard format but .txt, how to import it
Why is a suspicious program draining my battery with GPS usage?
Smart Phone Flash Tool Remain 0 percent
How do I remove the OneNote Badge from the Android home screen?
How to open Play Market via a voice command?
[re]mount the internal sdcard on the Huawei U8836D (G500 Pro) please?
Insufficient storage on tablet says it has 12gb used when only used 2
Using alsa mixer (root) to boost sound in an intelligent way

Topics

2D Engines   3D Engines   9-Patch   Action Bars   Activities   ADB   Advertisements   Analytics   Animations   ANR   AOP   API   APK   APT   Architecture   Audio   Autocomplete   Background Processing   Backward Compatibility   Badges   Bar Codes   Benchmarking   Bitmaps   Bluetooth   Blur Effects   Bread Crumbs   BRMS   Browser Extensions   Build Systems   Bundles   Buttons   Caching   Camera   Canvas   Cards   Carousels   Changelog   Checkboxes   Cloud Storages   Color Analysis   Color Pickers   Colors   Comet/Push   Compass Sensors   Conferences   Content Providers   Continuous Integration   Crash Reports   Credit Cards   Credits   CSV   Curl/Flip   Data Binding   Data Generators   Data Structures   Database   Database Browsers   Date &   Debugging   Decompilers   Deep Links   Dependency Injections   Design   Design Patterns   Dex   Dialogs   Distributed Computing   Distribution Platforms   Download Managers   Drawables   Emoji   Emulators   EPUB   Equalizers &   Event Buses   Exception Handling   Face Recognition   Feedback &   File System   File/Directory   Fingerprint   Floating Action   Fonts   Forms   Fragments   FRP   FSM   Functional Programming   Gamepads   Games   Geocaching   Gestures   GIF   Glow Pad   Gradle Plugins   Graphics   Grid Views   Highlighting   HTML   HTTP Mocking   Icons   IDE   IDE Plugins   Image Croppers   Image Loaders   Image Pickers   Image Processing   Image Views   Instrumentation   Intents   Job Schedulers   JSON   Keyboard   Kotlin   Layouts   Library Demos   List View   List Views   Localization   Location   Lock Patterns   Logcat   Logging   Mails   Maps   Markdown   Mathematics   Maven Plugins   MBaaS   Media   Menus   Messaging   MIME   Mobile Web   Native Image   Navigation   NDK   Networking   NFC   NoSQL   Number Pickers   OAuth   Object Mocking   OCR Engines   OpenGL   ORM   Other Pickers   Parallax List   Parcelables   Particle Systems   Password Inputs   PDF   Permissions   Physics Engines   Platforms   Plugin Frameworks   Preferences   Progress Indicators   ProGuard   Properties   Protocol Buffer   Pull To   Purchases   Push/Pull   QR Codes   Quick Return   Radio Buttons   Range Bars   Ratings   Recycler Views   Resources   REST   Ripple Effects   RSS   Screenshots   Scripting   Scroll Views   SDK   Search Inputs   Security   Sensors   Services   Showcase Views   Signatures   Sliding Panels   Snackbars   SOAP   Social Networks   Spannable   Spinners   Splash Screens   SSH   Static Analysis   Status Bars   Styling   SVG   System   Tags   Task Managers   TDD &   Template Engines   Testing   Testing Tools   Text Formatting   Text Views   Text Watchers   Text-to   Toasts   Toolkits For   Tools   Tooltips   Trainings   TV   Twitter   Updaters   USB   User Stories   Utils   Validation   Video   View Adapters   View Pagers   Views   Watch Face   Wearable Data   Wearables   Weather   Web Tools   Web Views   WebRTC   WebSockets   Wheel Widgets   Wi-Fi   Widgets   Windows   Wizards   XML   XMPP   YAML   ZIP Codes