This application is compatible with Android phones having OTG(on-the-go) function, specially for Samsung Galaxy S2, S3, S4, S5, Note, Note2 and Note3. BIOTON S.A. the company from Poland, is the official and legal owner of this app of the complete solution that comprises Gensucare-a. For the complete work performance and solution you should contact BIOTON S.A.([email protected]) or BIOTON's official local distributor in your country. This app, Gensucare-a is designed to help diabetics measure their blood glucose. You would need to buy Blood Glucose Meter named Gensucare-a that is connected to Android phones(specially for Samsung Galaxy S2, S3, S4, S5, Note, Note2 and Note3) to test your blood glucose as Gensucare-a will show you. Your glucose level will be displayed on the screen after the test and you can e-mail the test result with additional memo. Gensucare-a enables you to look through past test results by date.