diff --git a/source/fs/menus/filemenu.c b/source/fs/menus/filemenu.c
index 309f9d9..130ead5 100644
--- a/source/fs/menus/filemenu.c
+++ b/source/fs/menus/filemenu.c
@@ -78,6 +78,9 @@ void RunScript(char *path, FSEntry_t entry){
     if (!script)
         return;
 
+    if (((entry.size >= 64 && entry.sizeDef == 1) || entry.sizeDef >= 2) && !TConf.minervaEnabled)
+        return;
+
     gfx_clearscreen();
     scriptCtx_t ctx = createScriptCtx();
     ctx.script = runLexar(script, size);
@@ -88,10 +91,11 @@ void RunScript(char *path, FSEntry_t entry){
 
     printError(mainLoop(&ctx));
 
-    freeVariableVector(&ctx.varDict);
+    freeDictVector(&ctx.varDict);
     lexarVectorClear(&ctx.script);
-    gfx_printf("\nend of script");
-    hidWait();
+
+    gfx_printf("\nScript done!\nPress any key");
+	hidWait();
 }
 
 void RenameFile(char *path, FSEntry_t entry){
diff --git a/source/keys/save.c b/source/keys/save.c
new file mode 100644
index 0000000..dc359f3
--- /dev/null
+++ b/source/keys/save.c
@@ -0,0 +1,51 @@
+#include "save.h"
+#include <utils/types.h>
+#include <libs/fatfs/ff.h>
+#include <sec/se.h>
+#include <mem/heap.h>
+#include "../err.h"
+
+ErrCode_t saveCommit(const char *path){
+    FIL file;
+    int res;
+    u8 *buf, hash[0x20], *cmac_data, cmac[0x10];
+    const u32 hashed_data_size = 0x3D00, cmac_data_size = 0x200;
+    
+    buf = malloc(hashed_data_size);
+    cmac_data = malloc(cmac_data_size);
+
+    if ((res = f_open(&file, path, FA_OPEN_EXISTING | FA_READ | FA_WRITE))){
+        goto out_free;
+    }
+
+    f_lseek(&file, 0x300);
+    if ((res = f_read(&file, buf, hashed_data_size, NULL))){
+        goto out_free;
+    }
+
+    se_calc_sha256_oneshot(hash, buf, hashed_data_size);
+
+    f_lseek(&file, 0x108);
+    if ((res = f_write(&file, hash, sizeof(hash), NULL))){
+        goto out_free;
+    }
+
+    f_lseek(&file, 0x100);
+    if ((res = f_read(&file, cmac_data, cmac_data_size, NULL))){
+        goto out_free;
+    }
+
+    se_aes_cmac(8, cmac, 0x10, cmac_data, cmac_data_size);
+
+    f_lseek(&file, 0);
+
+    if ((res = f_write(&file, cmac, sizeof(cmac), NULL))){
+        goto out_free;
+    }
+
+out_free:;
+    free(buf);
+    free(cmac_data);
+    f_close(&file);
+    return newErrCode(res);
+}
\ No newline at end of file
diff --git a/source/keys/save.h b/source/keys/save.h
new file mode 100644
index 0000000..fd93e1b
--- /dev/null
+++ b/source/keys/save.h
@@ -0,0 +1,4 @@
+#pragma once
+#include "../err.h"
+
+ErrCode_t saveCommit(const char *path);
\ No newline at end of file
diff --git a/source/script/functions.c b/source/script/functions.c
index 84c48d8..d84d3cb 100644
--- a/source/script/functions.c
+++ b/source/script/functions.c
@@ -16,11 +16,16 @@
 #include "../storage/emummc.h"
 #include "../fs/readers/folderReader.h"
 #include "../utils/utils.h"
+#include "../keys/keys.h"
 #include "../storage/emmcfile.h"
+#include "../keys/nca.h"
+#include "../keys/save.h"
+#include "../tegraexplorer/tconf.h"
 
 #define scriptFunction(name) Variable_t name(scriptCtx_t *ctx, Variable_t *vars, u32 varLen)
 
 #define varInt(i) newVar(IntType, 0, i)
+#define varStr(s) newVar(StringType, 1, .stringType = s)
 
 scriptFunction(funcIf) {
 	setCurIndentInstruction(ctx, (vars[0].integerType == 0), 0, -1);
@@ -267,7 +272,23 @@ scriptFunction(funcMakeMenu){
 
 //  Args: Str, Str
 scriptFunction(funcCombinePath){
-	return newVar(StringType, 1, .stringType = CombinePaths(vars[0].stringType, vars[1].stringType));
+	if (varLen <= 1)
+		return NullVar;
+	
+	for (int i = 0; i < varLen; i++){
+		if (vars[i].varType != StringType)
+			return ErrVar(ERRINVALIDTYPE);
+	}
+
+	char *res = CpyStr(vars[0].stringType);
+
+	for (int i = 1; i < varLen; i++){
+		char *temp = CombinePaths(res, vars[i].stringType);
+		free(res);
+		res = temp;
+	}
+
+	return varStr(res);
 }
 
 // Args: Str
@@ -300,6 +321,9 @@ scriptFunction(funcMmcConnect){
 
 // Args: Str
 scriptFunction(funcMmcMount){
+	if (!TConf.keysDumped)
+		return ErrVar(ERRFATALFUNCFAIL);
+
 	return varInt((mountMMCPart(vars[0].stringType).err));
 }
 
@@ -354,6 +378,20 @@ scriptFunction(funcMmcRestore){
 	return varInt((DumpOrWriteEmmcPart(vars[0].stringType, vars[1].stringType, 1, vars[2].integerType).err));
 }
 
+scriptFunction(funcGetNcaType){
+	if (!TConf.keysDumped)
+		return ErrVar(ERRFATALFUNCFAIL);
+
+	return varInt((GetNcaType(vars[0].stringType)));
+}
+
+scriptFunction(funcSignSave){
+	if (!TConf.keysDumped)
+		return ErrVar(ERRFATALFUNCFAIL);
+
+	return varInt((saveCommit(vars[0].stringType).err));
+}
+
 u8 fiveInts[] = {IntType, IntType, IntType, IntType, IntType};
 u8 singleIntArray[] = { IntArrayType };
 u8 singleInt[] = { IntType };
@@ -390,7 +428,7 @@ functionStruct_t scriptFunctions[] = {
 	{"version", funcGetVer, 0, NULL},
 	{"menu", funcMakeMenu, 2, MenuArgs}, // for the optional arg
 	{"menu", funcMakeMenu, 3, MenuArgs},
-	{"pathCombine", funcCombinePath, 2, twoStrings},
+	{"pathCombine", funcCombinePath, varArgs, NULL},
 	{"pathEscFolder", funcEscFolder, 1, singleStr},
 	{"fileMove", funcFileMove, 2, twoStrings},
 	{"fileCopy", funcFileCopy, 2, twoStrings},
@@ -403,8 +441,9 @@ functionStruct_t scriptFunctions[] = {
 	{"dirDel", funcDelDir, 1, singleStr},
 	{"mmcDump", funcMmcDump, 2, mmcReadWrite},
 	{"mmcRestore", funcMmcRestore, 3, mmcReadWrite},
+	{"ncaGetType", funcGetNcaType, 1, singleStr},
+	{"saveSign", funcSignSave, 1, singleStr},
 	// Left from old: keyboard(?)
-	// Should implement still: saveSign, getNcaType
 };
 
 Variable_t executeFunction(scriptCtx_t* ctx, char* func_name, lexarToken_t *start, u32 len) {
diff --git a/source/script/parser.c b/source/script/parser.c
index d1e14d3..d52c72c 100644
--- a/source/script/parser.c
+++ b/source/script/parser.c
@@ -78,13 +78,15 @@ scriptResult_t mainLoop(scriptCtx_t* ctx) {
 void printToken(lexarToken_t* token) {
 	switch (token->token) {
 		case Variable:
-		case VariableAssignment:
-		case Function:
-		case FunctionAssignment:
 		case ArrayVariable:
-		case ArrayVariableAssignment:
+		case Function:
 			gfx_printf("%s", token->text);
 			break;
+		case FunctionAssignment:
+		case VariableAssignment:
+		case ArrayVariableAssignment:
+			gfx_printf("%s=", token->text);
+			break;
 		case StrLit:
 			//printf("%d: '%s'\n", vec.tokens[i].token, vec.tokens[i].text);
 			gfx_printf("\"%s\"", token->text);
@@ -100,12 +102,24 @@ void printToken(lexarToken_t* token) {
 	}
 }
 
+char *ErrorText[] = {
+	"Bad operator",
+	"Double not",
+	"Syntax err",
+	"Invalid type",
+	"No var",
+	"No func",
+	"Inactive indent",
+	"Div by 0",
+	"Func fail"
+};
+
 void printError(scriptResult_t res) {
 	if (res.resCode) {
 		if (res.resCode == ERRESCSCRIPT)
 			return;
 
-		gfx_printf("Error %d found!\nNear: ", res.resCode);
+		gfx_printf("Error found! %s\nNear: ", ErrorText[res.resCode - 1]);
 		for (int i = 0; i < res.len; i++) {
 			printToken(&res.nearToken[i]);
 		}
diff --git a/source/script/variables.c b/source/script/variables.c
index 88f0f45..ed3c2a5 100644
--- a/source/script/variables.c
+++ b/source/script/variables.c
@@ -15,7 +15,7 @@ void freeVariable(Variable_t dv) {
 		case StringArrayType:;
 			char** strArray = vecGetArray(char**, dv.vectorType);
 			for (u32 i = 0; i < dv.vectorType.count; i++){
-				FREE(strArray[i]);
+				free(strArray[i]);
 			}	
 
 		case IntArrayType:
diff --git a/source/storage/gptmenu.c b/source/storage/gptmenu.c
index a91db9a..0451cb5 100644
--- a/source/storage/gptmenu.c
+++ b/source/storage/gptmenu.c
@@ -118,11 +118,13 @@ void GptMenu(u8 MMCType){
                 DrawError(err);
             }
             else {
-                if (TConf.curExplorerLoc > LOC_SD)
-                    ResetCopyParams();
+                if (TConf.keysDumped){
+                    if (TConf.curExplorerLoc > LOC_SD)
+                        ResetCopyParams();
                     
-                TConf.curExplorerLoc = LOC_EMMC;
-                FileExplorer("bis:/");
+                    TConf.curExplorerLoc = LOC_EMMC;
+                    FileExplorer("bis:/");
+                }
             }
         }
         else {
diff --git a/source/storage/mountmanager.c b/source/storage/mountmanager.c
index 2876abb..5ee13e6 100644
--- a/source/storage/mountmanager.c
+++ b/source/storage/mountmanager.c
@@ -22,6 +22,7 @@ void SetKeySlots(){
         // Not for bis but whatever
         se_aes_key_set(6, dumpedKeys.header_key + 0x00, 0x10);
         se_aes_key_set(7, dumpedKeys.header_key + 0x10, 0x10);
+        se_aes_key_set(8, dumpedKeys.save_mac_key, 0x10);
     }
 }
 
diff --git a/source/tegraexplorer/mainmenu.c b/source/tegraexplorer/mainmenu.c
index 7d74d8b..20b4c2c 100644
--- a/source/tegraexplorer/mainmenu.c
+++ b/source/tegraexplorer/mainmenu.c
@@ -141,8 +141,7 @@ void EnterMainMenu(){
         // -- Explore --
         mainMenuEntries[MainBrowseSd].hide = !sd_mounted;
         mainMenuEntries[MainMountSd].name = (sd_mounted) ? "Unmount SD" : "Mount SD";
-        mainMenuEntries[MainBrowseEmmc].hide = !TConf.keysDumped;
-        mainMenuEntries[MainBrowseEmummc].hide = (!TConf.keysDumped || !emu_cfg.enabled || !sd_mounted);
+        mainMenuEntries[MainBrowseEmummc].hide = (!emu_cfg.enabled || !sd_mounted);
 
         // -- Tools --
         mainMenuEntries[MainPartitionSd].hide = (!is_sd_inited || sd_get_card_removed());