Riley Testut

@riley.social

3011 Followers 296 Following

App developer. Building @deltaemulator.com and @altstore.io

Summary page of caught shiny Dratini with Docile nature and nickname "SWEETIE"

Screen recording of running into shiny Dratini in Pokemon LeafGreen Safari Zone

Game Boy Camera photo of me standing in front of 1 Infinite Loop sign (taken with Delta Camera)

Album cover for U2’s “Songs of Innocence”

A wall of purple app icons, with Delta’s in top middle

Selfie of me and Roscoe taken with Game Boy Camera

Screenshot of flight from JFK to SFO in Flighty app

WWDC 2026 acceptance email

AltStore PAL 2.3 screenshot showing most recent 4 likes from Mastodon and Bluesky on “AltStore joins the Fediverse” news alert, with 31 likes total

Screenshot from our new app “CSAM Store Checker” with text:

“Is child sexual abuse material accessible via apps in this marketplace?

App Store

Yes, in the X and Grok apps.”

Followed by news articles discussing situation.

Passage from Apple newsroom post from September 2025:

“New exposure to harmful apps: For the first time, pornography apps are available on iPhone from other marketplaces — apps we’ve never allowed on the App Store because of the risks they create, especially for children. That includes Hot Tub, a pornography app that was announced by AltStore earlier this year. The DMA has also brought gambling apps to iPhone in regions where they are prohibited by law.”

Animated Severance wallpaper showing iconic elevator opening up as I unlock phone to reveal Mark S

Animated Super Mario Bros World 1-1 lock screen wallpaper where the background moves while Mario is controlled by raising + lowering the home indicator

Screen recording of animated Super Mario Galaxy wallpaper that animates on both lock screen and Home Screen

My brother Jayce, dressed like Jeff Probst, standing outside at night with serious expression before reading final votes from Mario-themed “?” block

All 16 competitors in our Survivor competition standing in a living room, each with their own torch. Shane is on the right, I’m near the middle wearing a blue shirt and Delta hat

Excerpt from Apple newsroom post about DMA:

• New exposure to harmful apps: For the
first time, pornography apps are available
on iPhone from other marketplaces —
apps we've never allowed on the App
Store because of the risks they create,
especially for children. That includes Hot
Tub, a pornography app that was
announced by AltStore earlier this year.
The DMA has also brought gambling apps
to iPhone in regions where they are
prohibited by law.

Arrested Development S4 “Orange County Correctional Facility L.I.T.E”

Apple News screenshot with “Presented by F1 The Movie” ad in the top right

Using camera control to zoom in and adjust exposure with Delta Camera

Photo of my Grammie with “No Kings” sign before going out to protest

Shiny Geodude summary screen

Screen recording of me performing shortcut on Great ? Block Ruins by jumping over chasm and wall riding on clouds

Holding up an unopened Switch 2 box

Asking ChatGPT to make a Genmoji of a tornado wearing sunglasses, producing what you’d expect

Using Genmoji to create “tornado wearing sunglasses” with a bunch of horrible suggestions of emoji faces

Delta’s new full-screen warning sheet about In-App Purchase:

“You’re about to use Apple‘s In-App Purchase system. Patreon is not responsible for the privacy or security of purchases made with In-App Purchase.

Any accounts or purchases made outside of Patreon will be managed by the company “Apple, Inc.”. Your Patreon account, stored payment method, and related features, such as subscription management and refund requests, will not be available. Patreon can't verify any pricing or promotions offered by the company.”

Delta’s settings showing In-App Purchase options sheet with “Alternate Payment Methods” highlighted in background

Nintendo Switch 2 pre-order from Walmart:

- Switch 2 + Mario Kart World Bundle
- Pro Controller
- Wheels
- Piranha Plant camera

Nathan Fielder “The Plan?” meme

Apple Intelligence summarized email notification: “Delta 1.7.1 feedback, account retrieval requested, WWDC25 online invitation”

WWDC 2025 rejection email, subject “Your request to attend the special event at Apple Park.”

Hello Riley,

Thank you for your interest in attending the special event at Apple Park. While we regret that we’re unable to accommodate your request, we encourage you to join us online for WWDC25 to explore the tools, frameworks, and features that’ll help you create your best apps and games yet.

All week long, you can learn to elevate your apps and games through video sessions, engage with Apple experts in labs, and connect with the developer community.

Emulating Super Mario Odyssey at full speed on regular non-jailbroken iPhone 16

Nintendo GameCube games on Switch 2, including Mario Sunshine and Pokemon XD

Receiving Shiny Eevee via Mystery Gift in Pokemon HeartGold

Playing Super Mario World with Delta and unlocking “Giddy Up” achievement when riding Yoshi

Nirvanna the Band the Show the Movie
(Canada)

Director: Matt Johnson, Producers:
Matthew Miller, Matt Greyson,
Screenwriters: Matt Johnson, Jay
McCarrol

Matt and Jay try to get a show at the Rivoli.

Cast: Cast: Jay McCarrol, Matt Johnson (World
Premiere)

Email from Patreon with subject “Your account now uses Apple’s in-app purchase system”

Hi,

We’re writing to let you know that your Patreon has been updated to use Apple’s in-app purchase system. This means that all purchases of memberships and shop items through the Patreon iOS app will now include Apple’s 30% App Store fee. As a reminder, Apple’s fees do not affect your existing members. You also have the ability to choose how Apple’s fees impact your prices and earnings through the iOS app. You may adjust your selection any time in your settings.

Extremely smooth spy shot of person next to me playing Pokemon Red/Blue on Delta

Me wearing the Vision Pro on my flight to Europe thinking I’ll be doing this for all my flights

New Notarization submission accepted email:

“The following app is ready for distribution”

Screenshot of my Hall of Fame team, framed in Sean Fletcher’s Delta Duo NX iPad skin.

Team:
Meganium
Togekiss
Shiny Porygon-Z
Shiny Magnezone
Shiny Gyrados
Ho-Oh

Google Trends for “AltStore” over past 5 years showing its currently at an all-time high

Hot Tub notarization approval email with “The following app has been approved” highlighted

Photo of prototype GAMEBABY iPhone case in my hand

Notarization submission history for AltStore PAL in App Store Connect, highlighting the 3 most recent versions:

• Version 2.1.6
• Version 2.1.6z
• Version 2.1.6y

Confirmation of entering raffle to preview Switch 2 in NYC on April 4

$Error message for trying to try out Switch 2 early: r.map is not a function. (In 'r.map((e=> {_ (e, !1)}))', 'r.map' is undefined)$

My Home Screen with Mew wallpaper, and Photo widget at top showing Italian greyhound with wide-eyes looking similar to Mew

TikTok showing Delta for iPad playing Hannah Montana, Sims, and Mario Party DS

Screenshot of top iPad apps in US App Store as of January 4, 2025

Free:
1. Delta
2. Color Pop AI Coloring Book
3. Netflix

Paid:
1. Procreate
2. Procreate Dreams
3. Nomad Sculpt

Screenshot from Upgradies website showing Delta as Best Newcomer iOS app, with runner-ups Croissant and Shareshot

Screenshot of top iPad apps in US App Store

Free:
1. Delta
2. Mico
3. Color Pop AI

Paid:
1. Procreate
2. Procreate Dreams
3. forScore

AirPlaying Pokemon HeartGold to TV from iPad mini with Delta. TV shows Pokemon battle between Drowzee and my shiny Porygon2 Sean, and iPad mini shows the battle controls

Playing Delta online with Mario Kart: CTGP Nitro on “Mars Colony 2150” course

App Store Connect notifications saying Delta 1.6.5s has been approved

Shane and I outside Nintendo World in NYC