To send message to several contacts:
Open new text message page
tap the plus icon to add a contact, and repeat the action to add as many contacts as you want!
To delete applications, one of these 3 ways should work on your device
1. go to app drawer, press and hold your finger on the app icon, and then move it to the Uninstall icon on the top
2. go to app drawer, press menu button and then select Uninstall apps, tap each app to uninstall
3. go to Settings >> Apps >> All, and then tap the app you want to delete (uninstall) and on the opened page, press the uninstall button
