The ultimate mission is to survive as long as you can and ultimately explore the entire universe, or at least the two other skyblocks located close to the first skyblock you will spawn on.
First of all, to use any mod
/mods you will need Blocklauncher
or Blocklauncher pro. You can find it on the app store (for kindle and android only).
Step 1 : Download any mod/mods of your choice.
Step 2 : Open Blocklauncher(free/pro).
Step 3 : Click the wrench icon near the top of your screen.
Step 4 : Click the manage ModPE scripts option.
Step 5 : Click the import button.
Step 6 : Click the Local storage button.
Step 7 : Find where the mods that you downloaded went (usually under downloads).
Step 8 : Click the mod that you wish to install.
Step 9 : Enjoy the mod/mods that you installed.