We require an Android APK to be written that monitors Bluetooth messages being sent to the device. The APK will open the TXT file that is received and read the content. Within the TXT file there can be many records (lines) IF the line starts with the characters “SENDSMS” the following steps will be taken The APK will look for the phone number and the text that proceeds the number. The APK will sends and SMS to the phone number with the text as defined. e.g. SENDSMS|+447772266680|Hello. How are you? Note: The delimiter between the command, number and text will always be the character | IF the line starts with the characters “EXITAPP”, the APK is closed. No further Bluetooth messages will be processed until the APK is relaunched. IF the line starts with the characters “SLEEP”, the following steps will be taken The APK will look for the number that proceeds the SLEEP command. The APK will sleep for ‘n’ seconds that are defined. e.g. SLEEP|3600 Note: The APK will sleep for 3600 seconds. The number that is provided in the file can be in the range of 1 to 9999 Here is a typical file content. SENDSMS|+447772266680|Hello. How are you? SLEEP|60 SENDSMS|+447772266680|Can you collect my shopping please. Thanks! SLEEP|10 SENDSMS|+441234567890|What time will you arrive home? SLEEP|5 SENDSMS|+447221155333|A1,+447772266680 EXITAPP Additional: * The APK should work on Android devices, version 12 and above. * Whilst the APK is running on the mobile, the APK should have a simple message that reads, “SEND SMS Monitor in use. Click STOP to force exit” * Underneath the message, a button will be visible called STOP. Pressing this button closes the APK. If the APK has not completed performing the tasks of sending SMS messages, it will simply stop. * The APK icon will be display the letters, BTSMS * The background of the APK icon will be White and the text will be in Blue.