UPDATE INSTRUCTION:
The following files has been changed in version 3.0

Mobile app files

1. www/css/app.css
2. www/js/app.js
3. www/js/tpl.js
4. www/js/mapbox_wrapper.js - NEW file
5. www/index.html
6. www/lib/leaflet - NEW library for mapbox
7. config.xml

Modules files

1. mobileapp/MobileappModule.php/
2. mobileapp/assets/mobileapp.css
3. mobileapp/assets/mobileapp.js
4. mobileapp/assets/jquery.formance.min.js - NEW file
5. mobileapp/assets/jquery.validate.min.js - NEW file
6. mobileapp/components/AddonMobileApp.php
7. mobileapp/components/DBTableManager.php
8. mobileapp/controllers/AjaxController.php
9. mobileapp/controllers/ApiController.php
10. mobileapp/controllers/CronController.php
11. mobileapp/controllers/IndexController.php
12. mobileapp/controllers/UpdateController.php
13. mobileapp/controllers/BraintreeController.php - NEW file
14. mobileapp/controllers/MercadopagoController.php - NEW file
15. mobileapp/controllers/PaypalController.php - NEW file
16. mobileapp/controllers/StripeController.php - NEW file
17. mobileapp/controllers/VoguepayController.php - NEW file
18. mobileapp/translation-file/mobile.php
19. mobileapp/translation-file/mobileapp.php
20. mobileapp/views/index/settings.php
21. mobileapp/views/index/braintree_buy.php - NEW file
22. mobileapp/views/index/stripe_buy.php - NEW file
23. mobileapp/views/index/voguepay_buy.php - NEW file
24. mobileapp/views/layout/header.php
25. mobileapp/views/layout/mobile_layout.php

DATABASE