We have developed "end to end" mobile solutions for Android and iOS in different domains. The developed Apps have a wide range of integrations including: Camera, GPS, Websockets, WebRTC for video conferencing, SQLite, Push notifications, Payment (PayPal, Stripe, In-App purchase), BlueTooth, Messaging, Social Media Integration (FB, Twitter, YouTube, SoundCloud), File sharing with AWS EC-2, AWS-S3