most broker networks send your users to various kind of products... like:
- national products using carrier billing (subscriptions)
- fake virus alerts linking to cleaner app in the official store
- off-store app to install (they mostly charge by int premium numbers, some bad one fetch your contacts and invite them by sms to install the app too... some other submit this data to the provider....)
The well known broker networks decide self the destination, mostly depending on the CPA.
If you want know it, I suggest to try by a 3g proxy provider or work with a network where you can chose the products (very rare for mobile).
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