diff --git a/api.lua b/api.lua
index c95d8a6..bccb769 100644
--- a/api.lua
+++ b/api.lua
@@ -56,6 +56,7 @@ modComputing.add_app = function(appname, def)
 										icon_descryption = def.icon_descryption,
 										icon_type = def.icon_type,
 										icon_image = def.icon_image,
+										is_visible = def.is_visible or true,
 										on_iconclick = def.on_iconclick,
 									}
 									return true
@@ -96,6 +97,7 @@ modComputing.add_app = function(appname, def)
 end
 
 modComputing.add_test_apps = function()
+   --[[  
    if core.settings:get_bool(modComputing.modname..".debug") then
    	modComputing.add_app("computing:btnMinetest", {
    		icon_name = "btnMinetest",
@@ -141,7 +143,8 @@ modComputing.add_test_apps = function()
    			core.chat_send_all("Button 'btnLockPhone' pressed!")
    		end,
    	})
-	end
+   end
+   --[[ ]]
 end
 
 modComputing.get_appnames = function()
diff --git a/item_smartphone.lua b/item_smartphone.lua
index 67ffedf..18985e9 100644
--- a/item_smartphone.lua
+++ b/item_smartphone.lua
@@ -40,6 +40,7 @@ modComputing.smartphone.getFormBackground = function()
 	.."label[0.75,1.975;"..core.formspec_escape(modComputing.getTextClockBar()).."]"
 	return formspec
 end
+
 modComputing.smartphone.getAppListConteiner = function(player)
 	local playername = player:get_player_name()
 	local formspec = ""
@@ -74,14 +75,14 @@ modComputing.smartphone.getAppListConteiner = function(player)
 		local icon_type = apps[v].icon_type
 		local icon_image = apps[v].icon_image
 		local on_iconclick = apps[v].on_iconclick
-		local is_visible = apps[v].is_visible or true
+		local is_visible = apps[v].is_visible
+   	--modComputing.debug("apps = "..dump(apps) --[[, playername--]])
+   	--modComputing.debug("is_visible = "..dump(is_visible) --[[, playername--]])
 		
 	   if (type(is_visible)=="boolean" and is_visible == true) 
 		   or (type(is_visible)=="function" and is_visible(player))
 		then
-		
    		appsCount = appsCount + 1		
-   	   --modComputing.debug("apps = "..dump(apps) --[[, playername--]])
    		local page = math.floor((appsCount - 1) / (maxRow * maxCol)) --math.floor : arredonda sempre para menos
    		if page == modComputing.show_page[playername] then
       		local iconInPage = appsCount - math.floor(page * maxRow * maxCol)