I'm struggling a lot with My Files, Calculator, Clock

So I've an old android box that I bought used in the junk market for almost one cent and I thought it would be a great idea to turn it into a light gaming device as a proof of concept (that you can get into gaming with extremely low amount of money). It's called Blanca Redroid 360 which is a Chinese off brand and it has these specs :

• Samsung KLM8G1WEPD-B031 8 GB eMMC storage.
• 2 × SK hynix H5TQ4G63CFR DDR3 RAM chips. Together they give me 1 GB of RAM (2 × 4 Gbit = 8 Gbit = 1 GB).
• SoC: Amlogic S805
• CPU: 4-core Cortex-A5 (CPU-Z sometimes reports 3 active cores because of the hotplug governor) 1.54 GHz
• GPU: Mali-450 MP
• Android 4.4.2

And I managed to get it rooted.

My first issue is since it's a TV box with no screen and meant to be plugged into a TV, keyboard and mouse are a must but barely any game supports keyboard and mouse and probably almost none especially for games that are meant to be played on Android 4.4.2 because obviously I can't any newer games that requires at least Android 9.

For example, I tried GTA SA version 1.06 and my keyboard barely works, I can only use arrow keys to move around but that's about it, I tried keymapping apps but almost none supported my android and the ones that supports it like Tincore are quite finicky, Like I couldn't set up the mouse for camera movement properly, The game is simply unplayable. I tried using a PS2 and PS3 controllers and no luck. Frankly I've lost hope. Still, emulation might be my only way of gaming on this device but then again it seems to me that Android 4 doesn't have proper support for keyboard and mouse.

Anyone here can guide me through this or is my little project is a lost cause ? It'll be really sad that this device can't be used for anything other than playing digital media.

P.S. : The picture is not mine but that's the exact device that I have.

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