Question

can you save the program in Sprite mode or bool mode

Answer 1

To open the Sprite Editor:

Select the 2D image you want to edit from the Project View. See in Glossary (Fig 1: Project View). ...

Click on the Sprite Editor button in the Texture Import Inspector. See in Glossary (Fig 2: Texture Import Inspector) and the Sprite Editor displays (Fig 3: Sprite Editor).