complete step 2 of my arduino project

hi, first of all i'm a student i need complete my project see the attachment desc.(application to calculate the steps and calories burnt .) the process : 1- code programming for connection between (arduino + sensor ) and (arduino + bluetooth ) and (arduino + android application). 2- android application with simple cod (via android studio ) and small data base to create profile using (sql light ). 3- explain all code on video line by line . 4- see the attachment you will find all cod and desc. . 5- tell me what your process (what the steps ) 6- how you will test arduino ( hint : fritzing) 7- i need good price because i'm student . note: i need simple code see this example for my project from google play from this i like the profile [login to view URL] and this [login to view URL]