how to draw a symbol on screen?

Unity Engine
1

Hello everyone

i want to draw some symbols on my android device, but i have no idea to do that…
please give me some suggestion .thank you

regards,
Joe

2

Please elaborate with more detail. “How to draw a symbol” can mean many things.

–Eric

3

Hi Eric ,i mean if i draw a triangle on screen through finger gesture , then i can see 3 lines on the screen.