Indian Competitor: Nimbuzz "Mobile instant messaging and VoIP company Nimbuzz has now started offering location based advertising on mobile phones in India through its application.
According to Nimbuzz, the app makes use of GPS on the device, to locate the user and based on that location, the user gets advertisements in his Nimbuzz profile. The company claims that advertisements on the users’ Nimbuzz profile are going to be relevant to their surroundings and lifestyle. If GPS data is not available, Nimbuzz will collect location information from the cell ID data of mobile network. However, it clarified that location sharing is an opt-in process for the users."
https://www.medianama.com/2012/04/223-nimbuzz-location-based-ads/