Disconnect was a privacy app available on Android platforms and allowed smartphone to block Ads from accessing their personal data and installing malware through advertizing. This App targeted advertizing services that use invisible tracking and user based preferences in distributing Ads, as well as installing software within the devise that helps that purpose.
The App was removed from Google Play as Google has said that it blocks the right of other Apps to indulge in third-party Ads. The makers have now sued Google for abusing its position as a leading online advertizing provider through Adwords, apart from having control over the Android platform and Google play. This case is one of the two prominent charges against Google in the Europe and is being investigated. Google has always been in criticism for having unfair advantage in search and advertizing, in association with its other product and service offerings.