I also think using +1 on the Android market (especially the web one) will greatly help with app discoverability. Just imagine +1'ing an app on your phone or on the web (maybe after you install it?) and then your friends being able to see it.
But I'm not so sure about you proposed. Google needs to be very careful here and not turn Google+ into a spam fest of apps, the way Facebook has become. Google's main priority should always be the user, not the developers here. And as they said, Google+ should be much more about life-sharing rather than sharing how you got 5 more coins in some game, or whatever.
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I also think using +1 on the Android market (especially the web one) will greatly help with app discoverability. Just imagine +1'ing an app on your phone or on the web (maybe after you install it?) and then your friends being able to see it.
But I'm not so sure about you proposed. Google needs to be very careful here and not turn Google+ into a spam fest of apps, the way Facebook has become. Google's main priority should always be the user, not the developers here. And as they said, Google+ should be much more about life-sharing rather than sharing how you got 5 more coins in some game, or whatever.