Wasn't that Instapaper?
http://www.marco.org/2011/12/07/standing-up-for-android
edit: or not. my bad.
[1] http://www.theverge.com/2012/3/23/2897938/papermill-is-the-f...
He noted that while several Android Instapaper clients exist, they use his iOS private API in addition to his public API, and he will only endorse one using his public API only (Can someone explain why that would be?).