Notice the missing platform? The PSP was discontinued in 2014 in the West (2016 in Japan). By the time Omega Force started making high-quality AOT games, the PSP was a dead platform. The 3DS got the closest portable version, but the PSP was left behind.
The objective of such a project is to strip down a lightweight PC source (such as the AoTTG by Feng Lee) to run on the PSP’s MIPS architecture without causing system instability or crashes due to RAM limitations (32MB/64MB). attack on titan for psp work
Create hair by cutting many thin strips of black paper and layering them to hide any seams. Notice the missing platform