Jointly developed in US and China. Learnstroketrials is an APP that offers both English and Chinese language summary of all published clinical trials of stroke or cerebrovascular diseases. It is updated regularly so that the latest trial results will be included. It is easy to use. Trials can be searched out by either its abbreviations or acronyms or full title, or by its purpose of research. All results were given a take home message and summary of methodology and a link to the original publication. In addition, it is easily switchable between Chinese and English.