Here is a video which will show you 50 new features iOS9 will bring to your iPhone and iPad.
Facedown detection
Highlight searches in Messages app
App search in Spotlight
Spotlight Siri Search
Low Power Mode
Hey Siri Voice Training
Deep Links
New breadcrumb structure
Swipe to delete in the Clock app
Save web pages as PDF
Request Desktop Site
Redesigned App Switcher
Handoff
Spotlight can solve math problems
Spotlight can convert currency
Spotlight contacts
Spotlight sports scores
Podcast app redesign
Notes app redesign
Photos app folders
News app
Quieter Siri on iPhone
Third-party Quick Reply
Siri contextual awareness
Folders on iPad
SlideOver
Split View
Picture in Picture mode
Two column Notification Center
Trackpad mode
Hardware keyboard shortcuts
New iCloud Drive app
Markup mail photos
Mail Attachments
Improved mail searching
Share voice mails
Diverse passcode options
Wi-Fi assist
Paste and Go/Paste and Search
Lost Mode Low Power Mode
Search Settings
Keyboard case
ReplayKit
Use Touch ID to access saved passwords
Search Safari passwords
Regulatory information
Enhanced battery usage stats
Battery widget
High Quality Apple Music
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