diff --git a/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp b/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
index 22e99faf..58e86f15 100644
--- a/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
+++ b/libmesosphere/source/board/nintendo/nx/kern_k_system_control.cpp
@@ -361,7 +361,9 @@ namespace ams::kern::board::nintendo::nx {
         }();
 
         /* Return (possibly) adjusted size. */
-        constexpr size_t ExtraSystemMemoryForAtmosphere = 40_MB;
+        /* NOTE: On 20.0.0+ the browser requires much more memory in the applet pool in order to function. */
+        /* Thus, we have to reduce our extra system memory size by 26 MB to compensate. */
+        const size_t ExtraSystemMemoryForAtmosphere = kern::GetTargetFirmware() >= ams::TargetFirmware_20_0_0 ? 14_MB : 40_MB;
         return base_pool_size - ExtraSystemMemoryForAtmosphere - KTraceBufferSize;
     }
 
diff --git a/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp b/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp
index d51eb90e..ca1c5cb5 100644
--- a/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp
+++ b/libstratosphere/include/stratosphere/ams/impl/ams_system_thread_definitions.hpp
@@ -171,6 +171,8 @@ namespace ams::impl {
     AMS_DEFINE_SYSTEM_THREAD(21, TioServer, FileServerHtcsServer);
     AMS_DEFINE_SYSTEM_THREAD(21, TioServer, SdCardObserver);
 
+    AMS_DEFINE_SYSTEM_THREAD(16, memlet, Main);
+
     /* ServiceProfile */
     AMS_DEFINE_SYSTEM_THREAD(-1, sprofile, IpcServer);
 
diff --git a/libstratosphere/include/stratosphere/ncm/ncm_system_content_meta_id.hpp b/libstratosphere/include/stratosphere/ncm/ncm_system_content_meta_id.hpp
index b02c38fc..b8e7bcd4 100644
--- a/libstratosphere/include/stratosphere/ncm/ncm_system_content_meta_id.hpp
+++ b/libstratosphere/include/stratosphere/ncm/ncm_system_content_meta_id.hpp
@@ -121,13 +121,15 @@ namespace ams::ncm {
 
         static const AtmosphereProgramId Mitm;
         static const AtmosphereProgramId AtmosphereLogManager;
+        static const AtmosphereProgramId AtmosphereMemlet;
     };
 
     inline constexpr const AtmosphereProgramId AtmosphereProgramId::Mitm = { 0x010041544D530000ul };
     inline constexpr const AtmosphereProgramId AtmosphereProgramId::AtmosphereLogManager = { 0x0100000000000420ul };
+    inline constexpr const AtmosphereProgramId AtmosphereProgramId::AtmosphereMemlet = { 0x0100000000000421ul };
 
     inline constexpr bool IsAtmosphereProgramId(const ProgramId &program_id) {
-        return program_id == AtmosphereProgramId::Mitm || program_id == AtmosphereProgramId::AtmosphereLogManager;
+        return program_id == AtmosphereProgramId::Mitm || program_id == AtmosphereProgramId::AtmosphereLogManager || program_id == AtmosphereProgramId::AtmosphereMemlet;
     }
 
     inline constexpr bool IsSystemProgramId(const AtmosphereProgramId &) {
diff --git a/libstratosphere/source/boot2/boot2_api.board.nintendo_nx.cpp b/libstratosphere/source/boot2/boot2_api.board.nintendo_nx.cpp
index e5f27fce..5f7f296a 100644
--- a/libstratosphere/source/boot2/boot2_api.board.nintendo_nx.cpp
+++ b/libstratosphere/source/boot2/boot2_api.board.nintendo_nx.cpp
@@ -450,6 +450,9 @@ namespace ams::boot2 {
             LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::SystemProgramId::Migration, ncm::StorageId::BuiltInSystem), 0);
         }
 
+        /* Launch atmosphere's applet memory service program. */
+        LaunchProgram(nullptr, ncm::ProgramLocation::Make(ncm::AtmosphereProgramId::AtmosphereMemlet, ncm::StorageId::None), 0);
+
         /* Launch user programs off of the SD. */
         LaunchFlaggedProgramsOnSdCard();
     }
diff --git a/libstratosphere/source/os/impl/os_shared_memory_impl.os.horizon.cpp b/libstratosphere/source/os/impl/os_shared_memory_impl.os.horizon.cpp
index b336576f..94450ef2 100644
--- a/libstratosphere/source/os/impl/os_shared_memory_impl.os.horizon.cpp
+++ b/libstratosphere/source/os/impl/os_shared_memory_impl.os.horizon.cpp
@@ -43,6 +43,7 @@ namespace ams::os::impl {
         R_TRY_CATCH(svc::CreateSharedMemory(std::addressof(handle), size, svc_my_perm, svc_other_perm)) {
             R_CONVERT(svc::ResultOutOfHandles,  os::ResultOutOfHandles())
             R_CONVERT(svc::ResultOutOfResource, os::ResultOutOfResource())
+            R_CONVERT(svc::ResultLimitReached,  os::ResultOutOfMemory())
         } R_END_TRY_CATCH_WITH_ABORT_UNLESS;
 
         *out = handle;