A free program for Android, by Alexey Sokolov.
MIFARE++ Ultralight is an app to read and write all types of MIFARE Ultralight tags. It is also a tool to transfer data among Android devices and computers.
In order to read the tags you need to install the app. In order to write, edit, and transfer the data you need to install the app, and after that you can use the app as a normal text editor.
You can easily create new tags by using the templates available. In order to edit an existing tag you need to select it from the list. You can also delete them by using the delete button.
If you need to transfer the data between Android devices or computers you can use the transfer button.
