Users select a plan
With first use of your app, users determine the form of payment: free (resource sharing), ad-based, or subscription (in which case there is no resource sharing). App vendor may offer some, or all three of these payment options (for example: only resource sharing or payment).
Add to your TOS the following paragraph: 'In return for some of the premium features of [PUBLISHER'S APP], you may choose to be a peer on the Luminati network. By doing so you agree to have read and accepted the terms of service of the Luminati SDK EULA. You may opt out of the network from settings'2
Add this statement to the play store description: 'Your use of [PUBLISHER'S APP] is free of charge in exchange for safely using some of your device's resources (WiFi and very limited cellular data), and only when you are not using your device. You may turn this off from the settings menu. Please see our TOS for further information. [Link to TOS]'