sudo apt update
sudo apt install libsdl2-2.0-0
mkdir /tmp/ppsspp
cd /tmp/ppsspp
wget https://dl.khadas.com/repos/debs/vim4/jammy/ppsspp/ppsspp_1.12.3-1138-g36bc7a3e6~jammy_arm64.deb
sudo dpkg -i ppsspp_*.deb

Open terminal and execute launch_ppsspp.sh to launch PPSSPP.

export SDL_VIDEODRIVER=wayland
launch_ppsspp.sh