TCP based connection & Google Play

[RizbIT]

Hi,

is anyone aware of any reasons (that would breach google policies) why you cant have an app on the play store that does the following:
App connects to desktop software via TCP connection in order to retrieve data, maybe open a file on the PC, or get game data for multiplayer levels/arenas etc..

Lastly if the desktop software needed a licence to use all features could you sell a licence key from the app using Paypal (as its consumed outside the app)?

 

[johnwo]

is anyone aware of any reasons (that would breach google policies) why you cant have an app on the play store that does the following:
App connects to desktop software via TCP connection in order to retrieve data, maybe open a file on the PC, or get game data for multiplayer levels/arenas etc..

Botnets, surveillance/privacy, worms/viruses, and so on...

Lastly if the desktop software needed a licence to use all features could you sell a licence key from the app using Paypal (as its consumed outside the app)?

Sure!
In one of the business applications for windows-desktops I worked on, we implemented PayPal payment.
It's really quite simple.

• The customer pays the price for the full-version license key.
• Your key-server get the confirmation and generates a new key.
• The customer get the key in an e-mail.
• The application contacts the key-server with a challenge-code computed from the key, and checks if the challenge-code is valid. (How the challenge-code is generated is up to you. Make it secure.)
  
• If it's valid then the software is authenticated.

The two last steps can be skipped, but it's highly recommended to implement them.

Cheers!