Creating a mobile application

Remote work for a mobile app developer. You need to create an autoresponder / autocall application for Android. It is necessary to record the interaction (number sets) with the answering machine / autocaller on a fixed communication network in the file. The interaction is performed by playing the file with reading a sequence of digits from one to 100, with one side playing the file with even, the other with odd digits. The file is called the exact start time of recording, phone number and GPS mark the start of recording.