2019 •Sega Genesis
A ROM hack/mod for Sonic the Hedgehog which changes Sonic for Shadow the Hedgehog. Although a previous mod with the same purpose exists, this one adds...
M22 Pro by SJGAM, Horizontal retro handheld, running Linux (EmuELEC), powered by "N909" (Allwinner H133), with a 5.0 inch display, priced around 50.0
Marketplace rows use affiliate-friendly links where available. Average price stays based on the console database, not live per-store pricing.
| Store | Price |
|---|---|
|
Aliexpress
Imported from spreadsheet hyperlink
|
50.0 |
|
Aliexpress 2
Imported from spreadsheet hyperlink
|
50.0 |
|
Amazon
Amazon search results
|
50.0 |
Affiliate disclosure and terms are linked in the footer.
Broad emulation range
M22 Pro lands in a crowded lane, which is exactly why the comparison with G28, Miyoo A30 / 282, and M21 matters so much.
M22 Pro is not trying to win every argument at once; its appeal lives in the balance between emulation comfort, day-to-day usability, and whether its price still feels sane.
Before the review gets opinionated, here is the clean spec picture. This table is the reality check that keeps the rest of the write-up grounded.
| Category | Details |
|---|---|
| Brand | SJGAM |
| Release | 2024 / 11 |
| Form factor | Horizontal |
| Operating system | Linux (EmuELEC) |
| Overall performance | ⭐️⭐️⭐️⭐️ |
| SoC | "N909" (Allwinner H133) |
| CPU | Cortex-A7, 4 Cores, and 1.2 GHz - 1.8 GHz |
| GPU | Mali-400 MP2, 2 Cores, and 500 MHz |
| RAM | 1 GB DDR4 |
| Display | 5.0 inch, IPS, and 60 Hz |
| Resolution | 1920 x 1080, 16:9, and 440.58 PPI |
| Battery and cooling | 3000 mAh |
| Storage and I/O | Internal & External MicroSD, USB-C Bottom facing, Mini HDMI Top facing, and 3.5mm Headphone Bottom facing |
| Price | 50.0 |
If this review pulls you in, the fastest next rabbit hole is G28 and Miyoo A30 / 282, because those are the products most likely to clarify whether M22 Pro is your real match or just your current curiosity.
The heart of the machine is the "N909" (Allwinner H133). CPU duties are handled by Cortex-A7. Graphics are handled by Mali-400 MP2. Memory is listed at 1 GB DDR4. The sheet rates the overall performance at ⭐️⭐️⭐️⭐️, or roughly 4 on the normalized scale.
The CPU side is described with 4 Cores, 4 Threads, and 1.2 GHz - 1.8 GHz, which is more useful than brand names alone because it hints at how much headroom the handheld should have before emulator tuning gets annoying. On the graphics side, 2 Cores, 500 MHz, and ARM helps sketch the ceiling for heavier systems, upscale experiments, and shader curiosity.
M22 Pro looks strongest with Game Boy (A), NES (A), Sega Genesis (A), Game Boy Advance (A), Super Nintendo (A), and PlayStation 1 (B+), which gives the review something more tangible than a vague "good for retro" verdict. The listed emulation limit, Up to PS1, is the kind of line buyers should actually respect because it tells you where the romance ends and the compromise begins.
The middle tier of compatibility, including Nintendo DS (C), Nintendo 64 (C), and Dreamcast (C), is where the buyer needs some honesty. These are usually the systems that separate a casual dabbler from a user who is happy tweaking emulator settings, testing cores, or accepting the occasional rough edge.
M22 Pro pairs the hardware with 5.0 inch, IPS, 60 Hz, 1920 x 1080, 16:9, and 440.58 PPI. That is the kind of detail stack retro buyers should linger on, because a handheld can be technically capable and still feel wrong if the aspect ratio, sharpness, and scaling story are off.
The controls are described with Cross Upper placement, Dual thumbsticks (L3/R3?) Lower placement, 4 Buttons, L1, R1, L2, R2 Vertical, and Power, Volume +-. That matters more than many spec sheets admit, because the difference between a fun handheld and a fatiguing one often shows up in the D-pad, shoulder shape, and how naturally the thumbs settle into place. A device can run a game and still fail the vibe test if the controls feel like an afterthought.
The 16:9 aspect ratio adds another layer to the story. Some buyers want sharp all-purpose flexibility, others want a screen that flatters the systems they actually play most. Good reviews should make that tradeoff visible instead of pretending every resolution solves every problem.
M22 Pro is best framed as a machine for players who want a balanced handheld that can stretch beyond the basics. This category rewards shoppers who know what kind of sessions they actually play, because not every strong device is strong in the same way.
The horizontal shape matters here because it changes comfort, portability, and the kind of nostalgia the device leans into. The fact that it runs Linux (EmuELEC) also affects what kind of setup work, app ecosystem, and tinkering ceiling buyers should expect.
The release timing listed as 2024 / 11 helps place it in context. In this market, timing changes expectations: a device that felt expensive at launch can look sharply judged six months later, while a newer device may need to justify a premium.
| Console | Angle | Price | Performance | Why Click Through |
|---|---|---|---|---|
G28 Dealbay | Smaller Alternative | 30.0 | ⭐️⭐️⭐️½ | same operating system, horizontal layout, tracked around 30.0. |
Miyoo A30 / 282 Miyoo / Bittboy | Smaller Alternative | 49.0 | ⭐️⭐️⭐️⭐️ | horizontal layout, tracked around 49.0, rated ⭐️⭐️⭐️⭐️. |
M21 SJGAM | Better Value | 40.0 | ⭐️⭐️⭐️⭐️ | same operating system, tracked around 40.0, rated ⭐️⭐️⭐️⭐️. |
GAMEMT E6 GAMEMT | Closest Match | 55.0 | ⭐️⭐️⭐️⭐️½ | horizontal layout, tracked around 55.0, rated ⭐️⭐️⭐️⭐️½. |
M22 Pro becomes much easier to judge once it is forced into the same room as G28, Miyoo A30 / 282, and M21. This is where a vague impression turns into a real buying decision, because each nearby rival throws a different kind of pressure on the table.
M22 Pro versus G28 is interesting because smaller alternative is the obvious angle. G28 sits close enough to M22 Pro to make the comparison meaningful, but different enough to sharpen the buying decision. G28 is tracked around 30.0. Its overall rating is ⭐️⭐️⭐️½. More importantly, m22 Pro versus Miyoo A30 / 282 is interesting because smaller alternative is the obvious angle. If M22 Pro feels almost right but not quite, Miyoo A30 / 282 is the sort of nearby detour that can completely change the shortlist. Miyoo A30 / 282 is tracked around 49.0. More importantly, its overall rating is ⭐️⭐️⭐️⭐️. More importantly, m22 Pro versus M21 is interesting because better value is the obvious angle. More importantly, if M22 Pro feels almost right but not quite, M21 is the sort of nearby detour that can completely change the shortlist. M21 is tracked around 40.0.
Comparison is the antidote to spec-sheet hypnosis. Once you stack the neighbors side by side, you stop asking which one is objectively best and start asking which one is best for your habits.
M22 Pro is currently tracked around 50.0 and lands in the $0 - $50 pricing band. Retro handhelds are almost never judged in isolation; they are judged against the five other devices sitting one tab away in a buyer's browser.
The spreadsheet points shoppers toward Aliexpress and Aliexpress 2 for availability. That matters because storefront quality, shipping confidence, and after-sales expectations often shape the emotional experience of a purchase before the box even arrives.
Every handheld makes tradeoffs somewhere, even when the spreadsheet leaves them unstated. The smartest shortlist is usually the one that sees the flaw clearly and decides it is either acceptable or disqualifying before the credit card comes out.
M22 Pro is described with battery: 3000 mAh. Those are not background details; they shape noise, comfort, endurance, and whether the device feels eager to be used or mildly exhausting to keep fed. Audio is covered by Single Mono Bottom facing and 3.5mm Headphone Bottom facing, which matters for sofa play, travel, and late-night sessions when speakers and headphone output can quietly make or break the experience.
Physically, the device is outlined by 191 mm x 81 mm x 33 mm, Plastic, and Gray, Black. This is where you start picturing whether it is truly pocketable, only jacket-safe, or clearly a bag companion. The best portable devices earn their place in a routine. They are easy to reach for, easy to trust, and easy to put back down without feeling delicate.
The practical I/O story includes Internal & External MicroSD, USB-C OTG, USB-C Bottom facing, and Mini HDMI Top facing. These details matter because many retro buyers are also collectors, tinkerers, dock-and-TV players, or people with large libraries that need sensible storage and transfer options.
M22 Pro leaves the strongest impression when you frame it as a recommendation for players who want a balanced handheld that can stretch beyond the basics. That framing keeps the review honest and stops the verdict from sliding into generic praise.
Broad emulation range is not just a catchy label here. It is the cleanest shorthand for why this device deserves attention. The compatibility profile around Game Boy (A), NES (A), Sega Genesis (A), and Game Boy Advance (A) gives it a concrete identity.
If the device sparks your interest, the smartest next click is usually G28, followed by Miyoo A30 / 282, because that is where the shape of the market around it comes into focus. A useful verdict should leave the reader more curious, but also more precise.
Games shown here match systems this handheld can run at a B grade or better.
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