by Olumuyiwa Taiwo.
It's tricky to give a reasonably accurate/useful answer without having more details on your intended integration, but going by what's suggested by "integration of Moodle features into our mobile application", I would recommend you start by looking at Moodle's capability as an LTI provider - https://docs.moodle.org/31/en/Publish_as_LTI_tool