(whatapp / signal ) similar app that can do +video+ sell stickers

1 I need an app similar to (whatapp / signal ) +video+ sell stickers 2 I want both android and ios 3 codes or scripts must be clean and working free of bugs upon delivery. 4 Signal, Kontalk, and Whatsapp are OPEN SOURCE and FREE codes for you to build on. 5 Basically, you just download these codes and ADD ON + video chat + sell stickers function. 6 Budget Total is $1200 for both android and ios. 7 I will only consider people or companies that have developed apps similar to whatsapp or signal and can show it to [login to view URL] prove that it was developed by you or your company !!! 8 No upfront payment. No half done project ( waste of your time and mine ) 9 Show me your finished work on your own server before I pay. 10 I want a complete and working app. 11 The price that you bid on is the price that you will get paid. 12 I want this apps that is why I paid for this ads to listed here. Basic features are: -Ability to down load and install the app -Ability to register using name and phone number ( no verification code sent by the support to the user's phone is necessary ) -Ability to immediately sync contact list after registration - Ability to search for friends Ability to establish chat with the saved contacts – Ability to share photos by browsing from the device, taking clicks using in-app camera -Ability to share contacts,locations,album,audio,record video using in-app cam recorder -Ability to record audio and send it to contacts -Ability to have video chat, free voice call(data sense enabled) - Ability to create group broadcasting. Ability to invite other to join group chat. Ability to create group and establish chat within group and share photos,images,albums,audio,video etc -Ability to send emoji -Ability to add contacts to favorite list -Ability to see other user's last online time(if allowed in privacy) status and also make other privacy settings -Ability to add/change profile picture and update status -Ability to block/unblock users -Ability to see/delete chat/call history. *Ability to sell stickers via paypal. Notifications: from a new message or friend request etc. ---------------------------------------------------------------------------------------------------------------------------------------- 1. Group chat 2. Individual chat 3. Voice chat 4. Text chat 5. Video chat 6. broadcasting 7. Send photo 8. Send video 9. record voice 10. Send personal card 11. Send emogi 12. *Sell stickers 13. Share location