diff --git a/desks/realm/app/bazaar.hoon b/desks/realm/app/bazaar.hoon
index cef4560fc0..aeb5653af8 100644
--- a/desks/realm/app/bazaar.hoon
+++ b/desks/realm/app/bazaar.hoon
@@ -53,8 +53,26 @@
     ^-  (quip card:agent:gall agent:gall)
     =/  old=(unit state-0)
       (mole |.(!<(state-0 vase)))
-    ?^  old
-      `this(state u.old)
+    ?^  old  ::  `this(state u.old)
+      =|  lexicon-app=native-app:store
+        =.  title.lexicon-app            'Lexicon'
+        =.  color.lexicon-app            '#EEDFC9'
+        =.  icon.lexicon-app             'AppIconLexicon'
+        =.  config.lexicon-app           [size=[3 7] titlebar-border=%.n show-titlebar=%.y]
+      =|  trove-app=native-app:store
+        =.  title.trove-app            'Trove'
+        =.  color.trove-app            '#DCDCDC'
+        =.  icon.trove-app             'AppIconTrove'
+        =.  config.trove-app           [size=[7 8] titlebar-border=%.n show-titlebar=%.y]
+      =.  catalog.u.old  (~(del by catalog.u.old) %lexicon)
+      =.  catalog.u.old  (~(del by catalog.u.old) %trove)
+      :_  this(state u.old)
+      :: add two new app entries for Realm's new "native" apps: %trove and %lexicon
+      :~  ::[%pass / %agent [our.bowl %bazaar] %poke bazaar-action+!>([%delete-catalog-entry [%lexicon]]])]
+          [%pass / %agent [our.bowl %bazaar] %poke bazaar-action+!>([%add-catalog-entry [%os-lexicon lexicon-app]])]
+          ::[%pass / %agent [our.bowl %bazaar] %poke bazaar-action+!>([%delete-catalog-entry [%trove]]])]
+          [%pass / %agent [our.bowl %bazaar] %poke bazaar-action+!>([%add-catalog-entry [%os-trove trove-app]])]
+      ==
     %-  (slog leaf+"nuking old %bazaar state" ~) ::  temporarily doing this for making development easier
     =^  cards  this  on-init
     :_  this
@@ -428,6 +446,7 @@
       %set-host          (set-host +.action)
       :: testing helper. remove an app from the ship catalog w/o producing any effects
       %delete-catalog-entry  (delete-catalog-entry +.action)
+      %add-catalog-entry  (add-catalog-entry +.action)
     ==    ::  +pre: prefix for scries to hood
     ::
     ++  pre  /(scot %p our.bowl)/hood/(scot %da now.bowl)
@@ -732,8 +751,21 @@
     ++  delete-catalog-entry
       |=  [=app-id:store]
       ^-  (quip card _state)
-      =.  catalog.state  (~(del by catalog.state) app-id)
-      [~ state]
+      ?:  (~(has by catalog.state) app-id)
+        =.  catalog.state  (~(del by catalog.state) app-id)
+        `state
+      `state
+    ::
+    ::
+    ::  $add-catalog-entry
+    ::   add a new native-app to the catalog. does not currently support %urbit or %web apps.
+    ++  add-catalog-entry
+      |=  [=app-id:store =native-app:store]
+      ^-  (quip card _state)
+      :: %-  (slog leaf+"{<dap.bowl>}: [add-catalog-entry] {<app-id>}" ~)
+      =.  catalog.state                  (~(put by catalog.state) app-id [%native native-app])
+      =.  grid-index.state               (set-grid-index:helpers:bazaar:core app-id grid-index.state)
+      `state
     --
   ++  reaction
     |=  [rct=reaction:store]
diff --git a/desks/realm/lib/bazaar.hoon b/desks/realm/lib/bazaar.hoon
index a998179e63..399a685025 100644
--- a/desks/realm/lib/bazaar.hoon
+++ b/desks/realm/lib/bazaar.hoon
@@ -31,6 +31,7 @@
           [%clear-stall clear-stall]
           [%set-host set-host]
           [%delete-catalog-entry del-cat-entry]
+          [%add-catalog-entry add-cat-entry]
       ==
     ::
     ++  install-app
@@ -120,6 +121,33 @@
       %-  ot
       :~  [%app-id so]
       ==
+    ::
+    ++  add-cat-entry
+      %-  ot
+      :~  [%app-id so]
+          [%native-app native-app]
+      ==
+      :: %-  of
+      :: :~  [%native native-app]
+      ::     [%web ~]                :: currently not supported
+      ::     [%urbit ~]              :: currently not supported
+      :: ==
+    ::
+    ++  native-app
+      %-  ot
+      :~  [%title so]
+          [%info so]
+          [%color so]
+          [%icon so]
+          [%config cfg]
+      ==
+    ::
+    ++  cfg
+      %-  ot
+      :~  [%size (at ~[ni ni])]
+          [%titlebar-border bo]
+          [%show-titlebar bo]
+      ==
     --
   --
 ::
diff --git a/desks/realm/sur/bazaar/store.hoon b/desks/realm/sur/bazaar/store.hoon
index 9231429c9c..f74a2f186a 100644
--- a/desks/realm/sur/bazaar/store.hoon
+++ b/desks/realm/sur/bazaar/store.hoon
@@ -74,6 +74,7 @@
       [%clear-stall path=space-path:spaces args=(map cord cord)]
       [%set-host app-id=desk host=ship]
       [%delete-catalog-entry =app-id]
+      [%add-catalog-entry =app-id =native-app]
   ==
 ::
 +$  interaction