[SciHub](https://play.google.com/store/apps/details?id=apps.jptud.scihub&rdid=apps.jptud.scihub) is a new android app to use the sci-hub services in your smart phone.
You can search with PMID, doi or url or also you can use the share button from your favourite web browser.
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PD: today without ads (maybe only one)