Checking the usability of payment method [Brazil]

We are looking for a candidate who can check the avаilаbility and usаbility of a pаyment methоd (Itаu, ВаnсоDоВrаsil, Вrаdеscо, Sаntаndеr) on the platform and in android/ios mobile app.

It is needed to prepare the instruction in two languages: English and Portuguese together with the tests on PC and mobile app.

Requirements
- be located in Brazil
- be user of Itаu, ВаnсоDоВrаsil, Вrаdеscо, Sаntаndеr
- PC user
- availability of test mobile device (android device will be an advantage)

Please, send the proposals only if you fully match the requirements!
Thanks a lot!