Flag in the Flame
Native Android Developer and content creator

first I tried it to open in default text editor, it took long,
then I tried opening it in VSCode then searched for picoCTF nothing appeared also tried running grep nothing found,
then checked for base64 decoding got a PNG header after decoding so searched for some tools which will decode the base64 to PNG after that I found

saw a HEX string and after decoding this I got the flag