Tablet/ Mobile Phone should be OTG compatible. Device is connected to tablet/phone via OTG Cable.
The important features of App are as follows :
1) Baud Rate Settings can be configures in App.
2) Display Settings option is available in Menu to View data in Decimal, Hexadecimal or Char.
3) There are two tabs in app : Read and Write
4) Read Tab can be used to read bytes of data available on Virtual COM Port.
5) Write Tab can be used to send bytes of data on Virtual COM Port of Device.
6) Bytes of Data can also be sent by choosing a file with data in Write Option.
This is a generic App which can be used to send and receive data on ST Virtual COM Port.