Yes but it will void the warranty.
Kill it.
Yes easily if it is the same type of LCD screen.
You can purchase a PSP screen online and then replace it.
For scales it is easest to replace the screen.
i dont think so because i have one
If the black marks are dead pixels then you have to replace the screen you cant fix it.
http://www.instructables.com/id/Replace-the-top-screen-of-a-Nintendo-DS-without-o/
No, if the screen is broken for any reason, you will need to purchase a new game boy completely.
A good computer shop should be able to replace broken parts to fix this.
You have two choices... either replace the screen - or - replace the phone... whichever is cheapest.
An iPad screen protector can really be a good thing for you to have, but it may be more dangerous than helpful if it is broken. A cracked protector can bend down and scratch the screen when pressure is applied to it. This could happen if it is in your bag, for instance, with your books. As soon as it breaks, you need to replace it to prevent any further damage to your iPad.
To repair a damaged or broken screen door, you can start by removing the door from its hinges and assessing the extent of the damage. If the screen itself is torn or ripped, you can replace it with a new screen material. If the frame is damaged, you may need to repair or replace the frame using appropriate tools and materials. Once the repairs are complete, reattach the door to its hinges and ensure it functions properly.