Texting has grown so much over the years. I probably don't answer my phone, nearly three times the amount i text. I LOvE texting, its just so much easier to talk and get everything you need to say out at once.
If you have friends you will never be short of prank ideas. There might be funny pranks as well as scary pranks but importantly they need to qualify as good pranks. This page gives you an idea of funny April fools prank.