Missing iPad/iPhone functions (iOS 4.3.5)

Love the iPad as I do, there are some things Apple have elected to skip or deliberately make difficult.
Here is my ‘gripe’ list as based on iOS 4.3.5. Of course I’m expecting iOS 5 to fix some of these issues. Some can be fixed with App Store purchases. Some require you to pay your network provider a premium. I think they should be built in.

• Emoji keyboard disabled outside Japan.
• Photo select & delete.
• Photo rotate.
• Delete key.
• Tab key.
• Cursor keys.
• Global (overview of) notifications.
• Social media integration.
• HTML email editor.
• Offline/cached browsing.
• Disable preview (auto read next) of mail.
• Gesture support in email.
• Gesture support in Safari.
• Bluetooth file sharing.
• Bluetooth modem sharing.
• WiFi modem sharing.

Small list, I know, perhaps you you’ve got more?
References:
iOS 4
iOS 5
Android

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