Added code :D

4x3Folders.plist

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+{ Filter = { Bundles = ( "com.apple.springboard" ); }; }

4x3folders.x

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+//I needed more room in my folders so here it is...
+//piracy protection
+@interface SBCoverSheetPrimarySlidingViewController : UIViewController
+- (void)viewDidDisappear:(BOOL)arg1;
+- (void)viewDidAppear:(BOOL)arg1;
+@end
+BOOL dpkgInvalid = NO;
+%hook SBCoverSheetPrimarySlidingViewController
+- (void)viewDidDisappear:(BOOL)arg1 {
+
+    %orig; //  Thanks to Nepeta for the DRM
+    if (!dpkgInvalid) return;
+		UIAlertController *alertController = [UIAlertController alertControllerWithTitle:@"Pirate Detected!"
+		message:@"Seriously? Pirating a free Tweak is awful!\nPiracy repo's Tweaks could contain Malware if you didn't know that, so go ahead and get 4x3Folders from the official Source https://Burrit0z.github.io/repo/.\nIf you're seeing this but you got it from the official source then make sure to add https://Burrit0z.github.io/repo to Cydia or Sileo."
+		preferredStyle:UIAlertControllerStyleAlert];
+
+		UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDestructive handler:^(UIAlertAction * action) {
+
+			UIApplication *application = [UIApplication sharedApplication];
+			[application openURL:[NSURL URLWithString:@"https://Burrit0z.github.io/repo"] options:@{} completionHandler:nil];
+
+	}];
+    [alertController addAction:cancelAction];
+		[self presentViewController:alertController animated:YES completion:nil];
+
+}
+%end
+//ios 13
+%hook SBIconListFlowLayout
+- (NSUInteger)numberOfColumnsForOrientation:(NSInteger)arg1 {
+  return 4;
+}
+%end
+//ios 12 and lower
+%hook SBFolderIconListView
++(unsigned long long)iconColumnsForInterfaceOrientation:(long long)arg1 {
+  return (4);
+}
+%end
+%ctor {
+if (![NSProcessInfo processInfo]) return;
+  NSString *processName = [NSProcessInfo processInfo].processName;
+  bool isSpringboard = [@"SpringBoard" isEqualToString:processName];
+
+  // Someone smarter than Nepeta invented this.
+  // https://www.reddit.com/r/jailbreak/comments/4yz5v5/questionremote_messages_not_enabling/d6rlh88/
+  bool shouldLoad = NO;
+  NSArray *args = [[NSClassFromString(@"NSProcessInfo") processInfo] arguments];
+  NSUInteger count = args.count;
+  if (count != 0) {
+      NSString *executablePath = args[0];
+      if (executablePath) {
+          NSString *processName = [executablePath lastPathComponent];
+          BOOL isApplication = [executablePath rangeOfString:@"/Application/"].location != NSNotFound || [executablePath rangeOfString:@"/Applications/"].location != NSNotFound;
+          BOOL isFileProvider = [[processName lowercaseString] rangeOfString:@"fileprovider"].location != NSNotFound;
+          BOOL skip = [processName isEqualToString:@"AdSheet"]
+                      || [processName isEqualToString:@"CoreAuthUI"]
+                      || [processName isEqualToString:@"InCallService"]
+                      || [processName isEqualToString:@"MessagesNotificationViewService"]
+                      || [executablePath rangeOfString:@".appex/"].location != NSNotFound;
+          if ((!isFileProvider && isApplication && !skip) || isSpringboard) {
+              shouldLoad = YES;
+          }
+      }
+  }
+
+  if (!shouldLoad) return;
+
+  dpkgInvalid = ![[NSFileManager defaultManager] fileExistsAtPath:@"/var/lib/dpkg/info/com.burritoz.4x3folders.list"];
+  if (!dpkgInvalid) dpkgInvalid = ![[NSFileManager defaultManager] fileExistsAtPath:@"/var/lib/dpkg/info/com.burritoz.4x3folders.md5sums"];
+}

Makefile

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+INSTALL_TARGET_PROCESSES = SpringBoard
+ARCHS = armv7 armv7s arm64 arm64e
+
+include $(THEOS)/makefiles/common.mk
+
+TWEAK_NAME = 4x3Folders
+
+4x3Folders_FILES = 4x3folders.x
+4x3Folders_CFLAGS = -fobjc-arc
+
+include $(THEOS_MAKE_PATH)/tweak.mk

control

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+Package: com.burritoz.4x3folders
+Name: 4x3 Folders
+Depends: mobilesubstrate
+Version: 1.0
+Architecture: iphoneos-arm
+Description: Sometimes 9 just isn't enough. Give your folders an extra column!
+Maintainer: burrit0z
+Author: burrit0z
+Section: Tweaks